Statistical Mechanics of Phases and Phase Transitions (eBook)

Artikelnummer: 978-0-691-24972-8
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  • Preface
  • A Notational Note
  • Acknowledgements
  • 1 Overview
    • 1.1 Phases
      • 1.1.1 Phase Diagrams
      • 1.1.2 Phase Transitions
      • 1.1.3 The Critical Point
      • 1.1.4 Continuous and Discontinuous Transitions
      • 1.1.5 Distinction between Phases
      • 1.2 Symmetries
        • 1.2.1 The Cubic-to-Tetragonal Transition
        • 1.2.2 Solids, Liquids, and Gases
        • 1.2.3 Ferromagnets
        • 1.3 Universality
          • 1.3.1 Critical Exponents
          • 1.3.2 Universality Classes
          • 1.4 Problems
          • 1.5 Worksheets for Chapter 1
            • W1.1 Critical Exponents
            • 2 Background: Fundamentals of Statistical Mechanics
              • 2.1 Review of Statistical Mechanics
                • 2.1.1 The Link between Thermodynamics and Statistical Mechanics
                • 2.1.2 The Thermodynamic Limit
                • 2.1.3 Derivatives of the Free Energy
                • 2.1.4 Variance and Fluctuations
                • 2.1.5 Covariance and Correlation Functions
                • 2.1.6 Correlation Functions and Phases of Matter
                • 2.2 *Other Fundamental Issues Concerning Statistical Mechanics
                  • 2.2.1 Ergodicity
                  • 2.3 Symmetry
                    • 2.3.1 Meaning of "Symmetry"
                    • 2.3.2 Symmetries in Statistical Mechanics
                    • 2.4 Problems
                    • 2.5 Worksheets for Chapter 2
                      • W2.1 Calculating Thermal Averages
                      • W2.2 Identifying Symmetries
                      • 3 The Ising Model
                        • 3.1 De¿nition
                          • 3.1.1 What We Would Like to Know
                          • 3.2 Qualitative Properties
                            • 3.2.1 The Droplet Argument in d= 2
                            • 3.2.2 Low-TSeries Expansion in Arbitrary d
                            • 3.3 Solution in Zero Dimensions
                              • 3.3.1 J= 0 Limit in dDimensions
                              • 3.4 Solution in One Dimension
                                • 3.4.1 h= 0 Solution-The Combinatorics Approach
                                • 3.4.2 The General Solution Using the Transfer Matrix Approach
                                • 3.5 Solution in Two Dimensions
                                • 3.6 Variations on the Ising Model
                                • 3.7 *Low TExpansion, High TExpansion, and Duality
                                  • 3.7.1 Low-Temperature Expansion to All Orders
                                  • 3.7.2 High-TSeries Expansion in Arbitrary d
                                  • 3.7.3 Duality
                                  • 3.8 Problems
                                  • 3.9 Worksheets for Chapter 3
                                    • W3.1 The Ising Hamiltonian-A Primer
                                    • W3.2 More on the 4-Site Problem
                                    • W3.3 The Droplet Argument in 2D
                                    • W3.4 Low-Temperature Expansion in 2D
                                    • W3.5 Ising Model in 0D
                                    • W3.6 Ising Model in 1D-The Combinatorics Approach
                                    • W3.7 Ising Model in 1D-The Transfer Matrix Approach
                                    • 4 Mean-Field Theory
                                      • 4.1 Intuitive Introduction
                                      • 4.2 The Variational Principle
                                        • 4.2.1 Usefulness of the Variational Approach
                                        • 4.2.2 An Illustration of the Principle
                                        • 4.3 Mean-Field Theory of the Ising Model
                                          • 4.3.1 The Mean-Field Phase Diagram
                                          • 4.4 Variational Free Energy as Function of mj
                                            • 4.4.1 Expansion for Small m
                                            • 4.4.2 Critical Exponents
                                            • 4.4.3 *Metastability and Two-Phase Coexistence
                                            • 4.5 Validity of Mean-Field Theory
                                            • 4.6 Problems
                                            • 4.7 Worksheets for Chapter 4
                                              • W4.1 Weiss Mean-Field Theory
                                              • W4.2 Variational Principle
                                              • W4.3 *Variational Mean-Field Theory-General Features
                                              • W4.4 Mean-Field Solution of the Ising Model
                                              • W4.5 Low Temperature Analysis of Mean-Field Equations
                                              • W4.6 The Variational Free Energy Fvar as a Function of the Order Parameter
                                              • W4.7 The Mean-Field Critical Exponents ß,¿,d
                                              • 5 Broken Symmetries
                                                • 5.1 Spontaneously Broken Symmetry and Order Parameters
                                                  • 5.1.1 Why the Thermodynamic Limit Is Necessary
                                                  • 5.1.2 Phase Transitions in the Real World
                                                  • 5.2 Examples of Broken Symmetries
                                                    • 5.2.1 Order-Disorder Transitions
                                                    • 5.2.2 Structural Transitions
                                                    • 5.2.3 Crystalline Solids
                                                    • 5.2.4 Liquid Crystals
                                                    • 5.2.5 Ferromagnetism
                                                    • 5.2.6 Super¿uids
                                                    • 5.2.7 Superconductors
                                                    • 5.3 Order Parameters and Symmetry
                                                      • 5.3.1 Thermodynamic Role of the Order Parameter
                                                      • 5.4 Some Paradigmatic Models
                                                        • 5.4.1 Models with Discrete Symmetries
                                                        • 5.4.2 Models with Continuous Symmetries
                                                        • 5.5 Problems
                                                        • 5.6 Worksheets for Chapter 5
                                                          • W5.1 Liquid Crystals and Broken Symmetries
                                                          • W5.2 Interpolating between the XY and Clock Models
                                                          • W5.3 Determining the Symmetry and Order Parameter
                                                          • 6 The Landau Free Energy
                                                            • 6.1 Once More, the Ising Model
                                                            • 6.2 Other Symmetries
                                                              • 6.2.1 The XY Model: O(2) Symmetry
                                                              • 6.2.2 q-State Clock Models
                                                              • 6.3 Multicritical Points
                                                                • 6.3.1 Tricritical Points
                                                                • 6.3.2 Bicritical and Tetracritical Points
                                                                • 6.4 Problems
                                                                • 6.5 Worksheets for Chapter 6
                                                                  • W6.1 Deducing the Landau Free Energy from Symmetry Considerations
                                                                  • W6.2 Understanding the Discontinuous Transition with a ¿3 Term
                                                                  • 7 Ginzburg-Landau Theory
                                                                    • 7.1 The Thermodynamic Correlation Length
                                                                    • 7.2 Spatial Correlations in the Ising Model
                                                                      • 7.2.1 Position-Dependent Correlation Functions
                                                                      • 7.2.2 Calculating the Nonlocal Susceptibility ¿ij
                                                                      • 7.3 The E¿ective Field Theory
                                                                        • 7.3.1 Taking the Continuum Limit
                                                                        • 7.3.2 The Equilibrium Order Parameter Field
                                                                        • 7.3.3 Correlations in the Ordered Phase
                                                                        • 7.4 Beyond the Ising Model
                                                                        • 7.5 Order Parameter Textures
                                                                          • 7.5.1 Domain Walls in the Ising Ferromagnet
                                                                          • 7.5.2 Textures in the XY Model
                                                                          • 7.5.3 Vortices in the XY Model
                                                                          • 7.6 Equilibrium Fluctuations
                                                                          • 7.7 Problems
                                                                          • 7.8 Worksheets for Chapter 7
                                                                            • W7.1 The Meaning of the Correlation Length
                                                                            • W7.2 Ising Model with Spatial Variation
                                                                            • W7.3 Estimating a Correlation Length from the Lattice Correlation Function
                                                                            • W7.4 Deriving the Ginzburg-Landau Functional from Symmetry Arguments
                                                                            • W7.5 Solving for the Continuum Correlation Length
                                                                            • W7.6 Susceptibility of the XY Model for T < Tc
                                                                            • W7.7 A Domain Wall in an Ising System
                                                                            • 8 *The Self-Consistent Gaussian Approximation
                                                                              • 8.1 The Gaussian Model
                                                                                • 8.1.1 The Nature of the Solution
                                                                                • 8.1.2 Higher Order Correlations and Wick's Theorem
                                                                                • 8.2 Using the Gaussian Model in a Variational Approximation
                                                                                  • > Tc
                                                                                  • 8.3 ∗Exact Results for O(N) Model as N→oo
                                                                                    • 8.3.1 The Ordered Phase and the Mermin-Wagner Theorem
                                                                                    • 8.4 Worksheets for Chapter 8
                                                                                      • W8.1 Gaussian Integrals and Wick's Theorem (Isserlis's Theorem)
                                                                                      • W8.2 Mean-Field Approximations to the 0D ¿4 Theory
                                                                                      • 9 *Quenched Disorder
                                                                                        • 9.1 Systems with Quenched Disorder
                                                                                        • 9.2 Con¿guration Averages
                                                                                          • 9.2.1 Example: Array of Harmonic Oscillators
                                                                                          • 9.3 Gaussian Model in a Random Field
                                                                                          • 9.4 The Imry-Ma Argument
                                                                                          • 9.5 Larkin-Ovchinikov-Lee-Rice Argument
                                                                                          • 9.6 Other E¿ects of Disorder
                                                                                          • 10 *Renormalization Group Perspective
                                                                                            • 10.1 Scaling Theory
                                                                                              • 10.1.1 Relevant and Irrelevant Perturbations
                                                                                              • 10.2 Renormalization Group-Overview
                                                                                                • 10.2.1 The Nature of the RG Transformation
                                                                                                • 10.3 RG for the Central Limit Theorem
                                                                                                • 10.4 The RG in Slightly Less than 4D
                                                                                                • 10.5 Beyond Broken Symmetry: Superconductors, Topological Order, Gauge Theories
                                                                                                • 10.6 Problems
                                                                                                • 10.7 Worksheets for Chapter 10
                                                                                                  • W10.1 Renormalization Group of the 1D Ising Chain
                                                                                                  • W10.2 Perturbative Renormalization Group of the ¿4 Theory in dDimensions
                                                                                                  • A Appendices
                                                                                                    • A.1 The Qubit and Pauli Matrices
                                                                                                    • A.2 Low-Temperature Expansion of the Ising Model
                                                                                                    • A.3 The Fourier Series and Transforms
                                                                                                    • A.4 The Calculus of Variations
                                                                                                    • A.5 The Continuum Limit
                                                                                                    • A.6 Fourier Transform of a Lorentzian: The Ornstein-Zernike Law
                                                                                                      • A.6.1d= 1
                                                                                                      • A.6.2 d= 3
                                                                                                      • A.6.3 Arbitrary d
                                                                                                      • A.6.4 At Criticality: Orenstein-Zernike as ¿→ 0.
                                                                                                      • A.7 Review of Probability
                                                                                                      • A.8 Deriving the Variational Principle for Noncommuting Hamiltonians
                                                                                                      • A.9 Properties of Gaussian Distributions and Wick's Theorem
                                                                                                      • A.10 Rudiments of Group Theory
                                                                                                        • A.10.1 Symmetries as a Group: An Example in a Triangle
                                                                                                        • A.11 Validity of Mean-Field Theory in an Ising Ferromagnet with Long-Range Interactions
                                                                                                        • A.12 More about the Broken Symmetry in Super¿uids
                                                                                                        • B Worksheet Solutions
                                                                                                          • B.1 Chapter 1 Worksheet Solutions
                                                                                                            • B.1.1 Critical Exponents
                                                                                                            • B.2 Chapter 2 Worksheet Solutions
                                                                                                              • B.2.1 Calculating Thermal Averages
                                                                                                              • B.2.2 Identifying Symmetries
                                                                                                              • B.3 Chapter 3 Worksheet Solutions
                                                                                                                • B.3.1 The Ising Hamiltonian-A Primer
                                                                                                                • B.3.2 More on the 4-Site Problem
                                                                                                                • B.3.3 The Droplet Argument in 2D
                                                                                                                • B.3.4 Low-Temperature Expansion in 2D
                                                                                                                • B.3.5 Ising Model in 0D
                                                                                                                • B.3.6 Ising Model in 1D-The Combinatorics Approach
                                                                                                                • B.3.7 Ising Model in 1D-The Transfer Matrix Approach
                                                                                                                • B.4 Chapter 4 Worksheet Solutions
                                                                                                                  • B.4.1 Weiss Mean-Field Theory
                                                                                                                  • B.4.2 Variational Principle
                                                                                                                  • B.4.3 *Variational Mean-Field Theory-General Features
                                                                                                                  • B.4.4 Mean-Field Solution of the Ising Model
                                                                                                                  • B.4.5 Low Temperature Analysis of Mean-Field Equations
                                                                                                                  • B.4.6 The Variational Free Energy Fvar as a Function of the Order Parameter
                                                                                                                  • B.4.7 The Mean-Field Critical Exponents ß,¿,d
                                                                                                                  • B.5 Chapter 5 Worksheet Solutions
                                                                                                                    • B.5.1 Liquid Crystals and Broken Symmetries
                                                                                                                    • B.5.2 Interpolating between the XY and Clock Models
                                                                                                                    • B.5.3 Determining the Symmetry and Order Parameter
                                                                                                                    • B.6 Chapter 6 Worksheet Solutions
                                                                                                                      • B.6.1 Deducing the Landau Free Energy from Symmetry Considerations
                                                                                                                      • B.6.2 Understanding the Discontinuous Transition with a ¿3 Term
                                                                                                                      • B.7 Chapter 7 Worksheet Solutions
                                                                                                                        • B.7.1 The Meaning of the Correlation Length
                                                                                                                        • B.7.2 Ising Model with Spatial Variation
                                                                                                                        • B.7.3 Estimating a Correlation Length from the Lattice Correlation Function
                                                                                                                        • B.7.4 Deriving the Ginzburg-Landau Functional from Symmetry Arguments
                                                                                                                        • B.7.5 Solving for the Continuum Correlation Length
                                                                                                                        • B.7.6 Susceptibility of the XY Model for T < Tc
                                                                                                                        • B.7.7 A Domain Wall in an Ising System
                                                                                                                        • B.8 Chapter 8 Worksheet Solutions
                                                                                                                          • B.8.1 Gaussian Integrals and Wick's Theorem (Isserlis's Theorem)
                                                                                                                          • B.8.2 Mean-Field Approximations to the 0D ¿4 Theory
                                                                                                                          • B.10 Chapter 10 Worksheet Solutions
                                                                                                                            • B.10.1 Renormalization Group of the 1D Ising Chain
                                                                                                                            • B.10.2 Perturbative Renormalization Group of the ¿4 Theory in dDimensions
                                                                                                                            • Bibliography
                                                                                                                            • Index

  • Preface
  • A Notational Note
  • Acknowledgements
  • 1 Overview
    • 1.1 Phases
      • 1.1.1 Phase Diagrams
      • 1.1.2 Phase Transitions
      • 1.1.3 The Critical Point
      • 1.1.4 Continuous and Discontinuous Transitions
      • 1.1.5 Distinction between Phases
      • 1.2 Symmetries
        • 1.2.1 The Cubic-to-Tetragonal Transition
        • 1.2.2 Solids, Liquids, and Gases
        • 1.2.3 Ferromagnets
        • 1.3 Universality
          • 1.3.1 Critical Exponents
          • 1.3.2 Universality Classes
          • 1.4 Problems
          • 1.5 Worksheets for Chapter 1
            • W1.1 Critical Exponents
            • 2 Background: Fundamentals of Statistical Mechanics
              • 2.1 Review of Statistical Mechanics
                • 2.1.1 The Link between Thermodynamics and Statistical Mechanics
                • 2.1.2 The Thermodynamic Limit
                • 2.1.3 Derivatives of the Free Energy
                • 2.1.4 Variance and Fluctuations
                • 2.1.5 Covariance and Correlation Functions
                • 2.1.6 Correlation Functions and Phases of Matter
                • 2.2 *Other Fundamental Issues Concerning Statistical Mechanics
                  • 2.2.1 Ergodicity
                  • 2.3 Symmetry
                    • 2.3.1 Meaning of "Symmetry"
                    • 2.3.2 Symmetries in Statistical Mechanics
                    • 2.4 Problems
                    • 2.5 Worksheets for Chapter 2
                      • W2.1 Calculating Thermal Averages
                      • W2.2 Identifying Symmetries
                      • 3 The Ising Model
                        • 3.1 De¿nition
                          • 3.1.1 What We Would Like to Know
                          • 3.2 Qualitative Properties
                            • 3.2.1 The Droplet Argument in d= 2
                            • 3.2.2 Low-TSeries Expansion in Arbitrary d
                            • 3.3 Solution in Zero Dimensions
                              • 3.3.1 J= 0 Limit in dDimensions
                              • 3.4 Solution in One Dimension
                                • 3.4.1 h= 0 Solution-The Combinatorics Approach
                                • 3.4.2 The General Solution Using the Transfer Matrix Approach
                                • 3.5 Solution in Two Dimensions
                                • 3.6 Variations on the Ising Model
                                • 3.7 *Low TExpansion, High TExpansion, and Duality
                                  • 3.7.1 Low-Temperature Expansion to All Orders
                                  • 3.7.2 High-TSeries Expansion in Arbitrary d
                                  • 3.7.3 Duality
                                  • 3.8 Problems
                                  • 3.9 Worksheets for Chapter 3
                                    • W3.1 The Ising Hamiltonian-A Primer
                                    • W3.2 More on the 4-Site Problem
                                    • W3.3 The Droplet Argument in 2D
                                    • W3.4 Low-Temperature Expansion in 2D
                                    • W3.5 Ising Model in 0D
                                    • W3.6 Ising Model in 1D-The Combinatorics Approach
                                    • W3.7 Ising Model in 1D-The Transfer Matrix Approach
                                    • 4 Mean-Field Theory
                                      • 4.1 Intuitive Introduction
                                      • 4.2 The Variational Principle
                                        • 4.2.1 Usefulness of the Variational Approach
                                        • 4.2.2 An Illustration of the Principle
                                        • 4.3 Mean-Field Theory of the Ising Model
                                          • 4.3.1 The Mean-Field Phase Diagram
                                          • 4.4 Variational Free Energy as Function of mj
                                            • 4.4.1 Expansion for Small m
                                            • 4.4.2 Critical Exponents
                                            • 4.4.3 *Metastability and Two-Phase Coexistence
                                            • 4.5 Validity of Mean-Field Theory
                                            • 4.6 Problems
                                            • 4.7 Worksheets for Chapter 4
                                              • W4.1 Weiss Mean-Field Theory
                                              • W4.2 Variational Principle
                                              • W4.3 *Variational Mean-Field Theory-General Features
                                              • W4.4 Mean-Field Solution of the Ising Model
                                              • W4.5 Low Temperature Analysis of Mean-Field Equations
                                              • W4.6 The Variational Free Energy Fvar as a Function of the Order Parameter
                                              • W4.7 The Mean-Field Critical Exponents ß,¿,d
                                              • 5 Broken Symmetries
                                                • 5.1 Spontaneously Broken Symmetry and Order Parameters
                                                  • 5.1.1 Why the Thermodynamic Limit Is Necessary
                                                  • 5.1.2 Phase Transitions in the Real World
                                                  • 5.2 Examples of Broken Symmetries
                                                    • 5.2.1 Order-Disorder Transitions
                                                    • 5.2.2 Structural Transitions
                                                    • 5.2.3 Crystalline Solids
                                                    • 5.2.4 Liquid Crystals
                                                    • 5.2.5 Ferromagnetism
                                                    • 5.2.6 Super¿uids
                                                    • 5.2.7 Superconductors
                                                    • 5.3 Order Parameters and Symmetry
                                                      • 5.3.1 Thermodynamic Role of the Order Parameter
                                                      • 5.4 Some Paradigmatic Models
                                                        • 5.4.1 Models with Discrete Symmetries
                                                        • 5.4.2 Models with Continuous Symmetries
                                                        • 5.5 Problems
                                                        • 5.6 Worksheets for Chapter 5
                                                          • W5.1 Liquid Crystals and Broken Symmetries
                                                          • W5.2 Interpolating between the XY and Clock Models
                                                          • W5.3 Determining the Symmetry and Order Parameter
                                                          • 6 The Landau Free Energy
                                                            • 6.1 Once More, the Ising Model
                                                            • 6.2 Other Symmetries
                                                              • 6.2.1 The XY Model: O(2) Symmetry
                                                              • 6.2.2 q-State Clock Models
                                                              • 6.3 Multicritical Points
                                                                • 6.3.1 Tricritical Points
                                                                • 6.3.2 Bicritical and Tetracritical Points
                                                                • 6.4 Problems
                                                                • 6.5 Worksheets for Chapter 6
                                                                  • W6.1 Deducing the Landau Free Energy from Symmetry Considerations
                                                                  • W6.2 Understanding the Discontinuous Transition with a ¿3 Term
                                                                  • 7 Ginzburg-Landau Theory
                                                                    • 7.1 The Thermodynamic Correlation Length
                                                                    • 7.2 Spatial Correlations in the Ising Model
                                                                      • 7.2.1 Position-Dependent Correlation Functions
                                                                      • 7.2.2 Calculating the Nonlocal Susceptibility ¿ij
                                                                      • 7.3 The E¿ective Field Theory
                                                                        • 7.3.1 Taking the Continuum Limit
                                                                        • 7.3.2 The Equilibrium Order Parameter Field
                                                                        • 7.3.3 Correlations in the Ordered Phase
                                                                        • 7.4 Beyond the Ising Model
                                                                        • 7.5 Order Parameter Textures
                                                                          • 7.5.1 Domain Walls in the Ising Ferromagnet
                                                                          • 7.5.2 Textures in the XY Model
                                                                          • 7.5.3 Vortices in the XY Model
                                                                          • 7.6 Equilibrium Fluctuations
                                                                          • 7.7 Problems
                                                                          • 7.8 Worksheets for Chapter 7
                                                                            • W7.1 The Meaning of the Correlation Length
                                                                            • W7.2 Ising Model with Spatial Variation
                                                                            • W7.3 Estimating a Correlation Length from the Lattice Correlation Function
                                                                            • W7.4 Deriving the Ginzburg-Landau Functional from Symmetry Arguments
                                                                            • W7.5 Solving for the Continuum Correlation Length
                                                                            • W7.6 Susceptibility of the XY Model for T < Tc
                                                                            • W7.7 A Domain Wall in an Ising System
                                                                            • 8 *The Self-Consistent Gaussian Approximation
                                                                              • 8.1 The Gaussian Model
                                                                                • 8.1.1 The Nature of the Solution
                                                                                • 8.1.2 Higher Order Correlations and Wick's Theorem
                                                                                • 8.2 Using the Gaussian Model in a Variational Approximation
                                                                                  • > Tc
                                                                                  • 8.3 ∗Exact Results for O(N) Model as N→oo
                                                                                    • 8.3.1 The Ordered Phase and the Mermin-Wagner Theorem
                                                                                    • 8.4 Worksheets for Chapter 8
                                                                                      • W8.1 Gaussian Integrals and Wick's Theorem (Isserlis's Theorem)
                                                                                      • W8.2 Mean-Field Approximations to the 0D ¿4 Theory
                                                                                      • 9 *Quenched Disorder
                                                                                        • 9.1 Systems with Quenched Disorder
                                                                                        • 9.2 Con¿guration Averages
                                                                                          • 9.2.1 Example: Array of Harmonic Oscillators
                                                                                          • 9.3 Gaussian Model in a Random Field
                                                                                          • 9.4 The Imry-Ma Argument
                                                                                          • 9.5 Larkin-Ovchinikov-Lee-Rice Argument
                                                                                          • 9.6 Other E¿ects of Disorder
                                                                                          • 10 *Renormalization Group Perspective
                                                                                            • 10.1 Scaling Theory
                                                                                              • 10.1.1 Relevant and Irrelevant Perturbations
                                                                                              • 10.2 Renormalization Group-Overview
                                                                                                • 10.2.1 The Nature of the RG Transformation
                                                                                                • 10.3 RG for the Central Limit Theorem
                                                                                                • 10.4 The RG in Slightly Less than 4D
                                                                                                • 10.5 Beyond Broken Symmetry: Superconductors, Topological Order, Gauge Theories
                                                                                                • 10.6 Problems
                                                                                                • 10.7 Worksheets for Chapter 10
                                                                                                  • W10.1 Renormalization Group of the 1D Ising Chain
                                                                                                  • W10.2 Perturbative Renormalization Group of the ¿4 Theory in dDimensions
                                                                                                  • A Appendices
                                                                                                    • A.1 The Qubit and Pauli Matrices
                                                                                                    • A.2 Low-Temperature Expansion of the Ising Model
                                                                                                    • A.3 The Fourier Series and Transforms
                                                                                                    • A.4 The Calculus of Variations
                                                                                                    • A.5 The Continuum Limit
                                                                                                    • A.6 Fourier Transform of a Lorentzian: The Ornstein-Zernike Law
                                                                                                      • A.6.1d= 1
                                                                                                      • A.6.2 d= 3
                                                                                                      • A.6.3 Arbitrary d
                                                                                                      • A.6.4 At Criticality: Orenstein-Zernike as ¿→ 0.
                                                                                                      • A.7 Review of Probability
                                                                                                      • A.8 Deriving the Variational Principle for Noncommuting Hamiltonians
                                                                                                      • A.9 Properties of Gaussian Distributions and Wick's Theorem
                                                                                                      • A.10 Rudiments of Group Theory
                                                                                                        • A.10.1 Symmetries as a Group: An Example in a Triangle
                                                                                                        • A.11 Validity of Mean-Field Theory in an Ising Ferromagnet with Long-Range Interactions
                                                                                                        • A.12 More about the Broken Symmetry in Super¿uids
                                                                                                        • B Worksheet Solutions
                                                                                                          • B.1 Chapter 1 Worksheet Solutions
                                                                                                            • B.1.1 Critical Exponents
                                                                                                            • B.2 Chapter 2 Worksheet Solutions
                                                                                                              • B.2.1 Calculating Thermal Averages
                                                                                                              • B.2.2 Identifying Symmetries
                                                                                                              • B.3 Chapter 3 Worksheet Solutions
                                                                                                                • B.3.1 The Ising Hamiltonian-A Primer
                                                                                                                • B.3.2 More on the 4-Site Problem
                                                                                                                • B.3.3 The Droplet Argument in 2D
                                                                                                                • B.3.4 Low-Temperature Expansion in 2D
                                                                                                                • B.3.5 Ising Model in 0D
                                                                                                                • B.3.6 Ising Model in 1D-The Combinatorics Approach
                                                                                                                • B.3.7 Ising Model in 1D-The Transfer Matrix Approach
                                                                                                                • B.4 Chapter 4 Worksheet Solutions
                                                                                                                  • B.4.1 Weiss Mean-Field Theory
                                                                                                                  • B.4.2 Variational Principle
                                                                                                                  • B.4.3 *Variational Mean-Field Theory-General Features
                                                                                                                  • B.4.4 Mean-Field Solution of the Ising Model
                                                                                                                  • B.4.5 Low Temperature Analysis of Mean-Field Equations
                                                                                                                  • B.4.6 The Variational Free Energy Fvar as a Function of the Order Parameter
                                                                                                                  • B.4.7 The Mean-Field Critical Exponents ß,¿,d
                                                                                                                  • B.5 Chapter 5 Worksheet Solutions
                                                                                                                    • B.5.1 Liquid Crystals and Broken Symmetries
                                                                                                                    • B.5.2 Interpolating between the XY and Clock Models
                                                                                                                    • B.5.3 Determining the Symmetry and Order Parameter
                                                                                                                    • B.6 Chapter 6 Worksheet Solutions
                                                                                                                      • B.6.1 Deducing the Landau Free Energy from Symmetry Considerations
                                                                                                                      • B.6.2 Understanding the Discontinuous Transition with a ¿3 Term
                                                                                                                      • B.7 Chapter 7 Worksheet Solutions
                                                                                                                        • B.7.1 The Meaning of the Correlation Length
                                                                                                                        • B.7.2 Ising Model with Spatial Variation
                                                                                                                        • B.7.3 Estimating a Correlation Length from the Lattice Correlation Function
                                                                                                                        • B.7.4 Deriving the Ginzburg-Landau Functional from Symmetry Arguments
                                                                                                                        • B.7.5 Solving for the Continuum Correlation Length
                                                                                                                        • B.7.6 Susceptibility of the XY Model for T < Tc
                                                                                                                        • B.7.7 A Domain Wall in an Ising System
                                                                                                                        • B.8 Chapter 8 Worksheet Solutions
                                                                                                                          • B.8.1 Gaussian Integrals and Wick's Theorem (Isserlis's Theorem)
                                                                                                                          • B.8.2 Mean-Field Approximations to the 0D ¿4 Theory
                                                                                                                          • B.10 Chapter 10 Worksheet Solutions
                                                                                                                            • B.10.1 Renormalization Group of the 1D Ising Chain
                                                                                                                            • B.10.2 Perturbative Renormalization Group of the ¿4 Theory in dDimensions
                                                                                                                            • Bibliography
                                                                                                                            • Index

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Verlag Princeton University Press
Einband PDF
Erscheinungsjahr 2024
Seitenangabe 472 S.
Ausgabekennzeichen Englisch
Abbildungen 49 color illus.
Plattform PDF
Autor Kivelson, Steven A. / Jiang, Jack Mingde / Chang, Jeffrey

Über den Autor Steven A. Kivelson

Steven A. Kivelson is the Prabhu Goel Family Professor of Physics at Stanford University. Jack Mingde Jiang received a PhD in applied physics from Stanford. Jeffrey Chang is a PhD student in the Department of Physics at Harvard University.

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