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PHY 418: Statistical Mechanics I
Prof. S. Teitel stte@pas.rochester.edu  Spring 2013
April
January  February  March  April  May
Sunday 
Monday 
Tuesday 
Wednesday 
Thursday 
Friday 
Saturday 

1
lecture canceled

2

3
lecture 19
Density matrix for two noninteracting particles, quantum correlations as an effective classical pair interaction, Nparticle partition function in the positionspace basis, partition functions for noninteracting quantum ideal gas
HW #5 due

4

5
lecture 20
Classical partition function in the occupation number representation, average occupation number, the classical vs quantum limits of the ideal gas
makeup lecture

6

7

8
lecture 21
The quantized harmonic oscillator as bosons, the Debye model for the specific heat of a solid, black body radiation

9

10
lecture 22
The quantum ideal gas, standard functions, pressure, density, energy, the leading correction to the classical limit

11

12

13

14

15
lecture 23
The degenerate Fermi gas, ground state energy, the Sommerfeld expansion, chemical potential at finite temperature

16

17
lecture 24
Specific heat of degenerate Fermi gas, Pauli paramagnetism
HW #6 due

18

19

20

21

22
lecture 25
The ideal Bose gas, BoseEinstein condensation in an ideal gas of free bosons

23

24
lecture 26
Classical spin models, constant magnetization vs constant magnetic field ensembles, broken symmetry and the possibility for a phase transition in the thermodynamic limit, Ising phase diagram

25

26

27

28

29
lecture 27
Meanfield solution of the Ising model, critical exponents
HW #7 due

30



