Calendar

The calendar below provides information on the course's lecture (L), recitation (R), and exam (E) sessions.


ses # Topics key dates
L1 Collective Behavior, From Particles to Fields

Introduction, Phonons and Elasticity
Problem set 1 out
L2 Collective Behavior, From Particles to Fields (cont.)

Phase Transitions, Critical Behavior

The Landau-Ginzburg Approach

Introduction, Saddle Point Approximation, and Mean-Field Theory
R1 Recitation 1
L3 The Landau-Ginzburg Approach (cont.)

Spontaneous Symmetry Breaking and Goldstone Modes
Problem set 2 out
L4 The Landau-Ginzburg Approach (cont.)

Scattering and Fluctuations, Correlation Functions and Susceptibilities, Comparison to Experiments
Problem set 1 due
R2 Recitation 2
L5 The Landau-Ginzburg Approach (cont.)

Gaussian Integrals, Fluctuation Corrections to the Saddle Point, The Ginzburg Criterion
Problem set 3 out
L6 The Scaling Hypothesis

The Homogeneity Assumption, Divergence of the Correlation Length, Critical Correlation Functions and Self-Similarity
Problem set 2 due
R3 Recitation 3
L7 The Scaling Hypothesis (cont.)

The Renormalization Group (Conceptual), The Renormalization Group (Formal)
Problem set 4 out
L8 The Scaling Hypothesis (cont.)

The Gaussian Model (Direct Solution), The Gaussian Model (Renormalization Group)

Perturbative Renormalization Group

Expectation Values in the Gaussian Model
Problem set 3 due
R4 Recitation 4
L9 Perturbative Renormalization Group (cont.)

Expectation Values in the Gaussian Model, Expectation Values in Perturbation Theory, Diagrammatic Representation of Perturbation Theory, Susceptibility
Problem set 5 out
L10 Perturbative Renormalization Group (cont.)

Perturbative RG (First Order)
Problem set 4 due
R5 Recitation 5
L11 Perturbative Renormalization Group (cont.)

Perturbative RG (Second Order), The ε-Expansion
Problem set 6 out
L12 Perturbative Renormalization Group (cont.)

Irrelevance of other Interactions, Comments on the ε-Expansion
Problem set 5 due
L13 Position Space Renormalization Group

Lattice Models, Exact Treatment in d = 1
R6 Recitation 6 Problem set 7 out
E1 Midterm Quiz Problem set 6 due
L14 Position Space Renormalization Group (cont.)

The Niemeijer-van Leeuwen Cumulant Approximation, The Migdal-Kadanoff Bond Moving Approximation
R7 Recitation 7 Problem set 8 out
L15 Series Expansions

Low-temperature Expansions, High-temperature Expansions, Exact Solution of the One Dimensional Ising Model
Problem set 7 due
L16 Series Expansions (cont.)

Self-Duality in the Two Dimensional Ising Model, Dual of the Three Dimensional Ising Model
R8 Recitation 8 Problem set 9 out
L17 Series Expansions (cont.)

Summing over Phantom Loops
Problem set 8 due
L18 Series Expansions (cont.)

Exact Free Energy of the Square Lattice Ising Model
R9 Recitation 9 Problem set 10 out
L19 Series Expansions (cont.)

Critical Behavior of the Two Dimensional Ising Model
Problem set 9 due
R10 Recitation 10 Problem set 11 out
L20 Continuous Spins at Low Temperatures

The Non-linear σ-model
Problem set 10 due
L21 Continuous Spins at Low Temperatures (cont.)

Topological Defects in the XY Model
R11 Recitation 11 Problem set 12 out
L22 Continuous Spins at Low Temperatures (cont.)

Renormalization Group for the Coulomb Gas
Problem set 11 due
L23 Continuous Spins at Low Temperatures (cont.)

Two Dimensional Solids, Two Dimensional Melting
R12 Recitation 12
L24 Dissipative Dynamics

Brownian Motion of a Particle
Problem set 12 due
R13 Recitation 13
E2 Final Exam