Advanced Statistical Mechanics 171.703


Course information: 

Lectures: 9-10:30 Thursdays and Fridays.
Location: 178 Bloomberg.
Lecturer: Prof. Oleg Tchernyshyov.
Office: 323 Bloomberg.
Office hours: Thursday 1-3 or by appointment.
Telephone: (410)516-8586.
Email: olegt at jhu.edu.

Grade: 

Literature:

Homework assignments: 


Course schedule: 

Date
Subject
Reading
Homework
Jan 29
Foundations of statistical physics: phase space and ergodicity.
LI, Ch. 1-4

Jan 30
Foundations of statistical physics: statistical distribution and entropy.
LI, Ch. 5-8
Assignment 1
Feb 5
Statistical physics and thermodynamics.
LI, Ch. 9,11-13

Feb 6
Thermodynamic relations.  Thermodynamic inequalities.
LI, Ch. 14-16
Assignment 2
Feb 12
Canonical ensemble.  Partition function.  Equipartition and virial.  LI, Ch. 28,31; P, Ch. 3.3,3.4

Feb 13
Harmonic oscillator.  Thermodynamic perturbation theory.
LI, Ch.32.
Assignment 3
Feb 19
Grand canonical ensemble.  Chemical potential.
LI, Ch. 24,35,36; P, Ch. 6.5
Feb 20
Classical ideal gases.  Influence of internal motion.
Phys Rev. 54, 918 (1938)
Assignment 4
Feb 26
Cluster expansion for a classical gas.
P, Ch. 9.1

Feb 27
Virial expansion of the equation of state.
P, Ch. 9.2, 9.3
Assignment 5
Mar 4
Ideal Bose gas.  Bose-Einstein condensation.
P, Ch. 7.1-7.4

Mar 5
Photons and phonons.  Thermodynamics of helium-4.
Landau's superfluidity paper.
Assignment 6
Mar 11
Ideal Fermi gas.  Electrons in metals.  White dwarf stars.
LI, Ch. 56-60; P, Ch. 8.4

Mar 12
Fermi liquid.
LII, Ch. 1-3
Assignment 7
Mar 18
Spring break.


Mar 19
Spring break.


Mar 25
Midterm exam.


Mar 26
Phase transitions.  Van der Waals gas.  Critical exponents.
Postponed

Apr 1
Ising model in 1 dimension.  Transfer matrix. P, Ch. 12.1, 12.3.

Apr 2
Ising model in 2 dimensions.  Krammers-Wannier duality. xtoys
Assignment 8
Apr 8
Mean-field approximation.   P, Ch. 11.3-11.5

Apr 9
Landau theory of phase transitions. P, Ch. 11.9
P, 11.7, 11.20.
Apr 15
Ginzburg-Landau-Wilson functional.  Solitons.


Apr16
Scale invariance at a critical point.  Universality and critical exponents.
P, Ch. 11.10-11.13.  Skim Ch. 13.1
Assignment 10
Apr 22
Thermodynamic fluctuations.
LII, Ch. 110-112.

Apr 23
Brownian motion.
LII, Ch. 118.  P, Ch. 14.3-14.4
Assignment 11
Apr 29
Fluctuation-dissipation theorem.


Apr 30
Onsager relations.


May 6
Take-home final exam.

Final exam

LI = Landau-Lifshitz, Statistical Physics, vol. I. 
LII = Landau-Lifshitz, Statistical Physics, vol. II.
P = Pathria, Statistical Mechanics.