April

April

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Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1
lecture 20

The quantized harmonic oscillator as bosons, the Debye model for the specific heat of a solid
2 3
MIDTERM EXAM, 10:30 - 12:30 pm
4

5 6
lecture 21

Black body radiation, the quantum ideal gas, standard functions, pressure, particle density, energy
7 8
lecture 22

Leading quantum correction to the ideal gas equation of state, the degenerate Fermi gas, Sommerfeld model for conduction electrons in a metal, Fermi energy, ground state energy, specific heat

Supplement

The Sommerfeld expansion for a degenerate Fermi gas
9 10 11

12 13
lecture 23

Chemical potential of a degenerate Fermi gas at finite temperature, Pauli paramagnetism
14 15
lecture canceled

HW #6 due
16 17
lecture 24

The ideal Bose gas, Bose-Einstein condensation in an ideal gas of free bosons

make-up lecture, 10:25 - 11:40 am
18

19 20
lecture 25

Classical spin models, constant magnetization vs constant magnetic field ensembles, broken symmetry and the possibility for a phase transition in the thermodynamic limit
21 22
lecture 26

Ising phase diagram, mean-field solution of the Ising model

HW #7 due
23 24 25

26 27
lecture 27

Mean-field solution and critical exponents of the Ising model
28 29
lecture 28

Maxwell construction, lattice-gas model, exact solution of the one dimensional Ising model

Supplemental Notes

Fluctuations, correlation length, Landau theory, Landau-Ginzburg approach, corelation function, upper critical dimension

classes end

HW #8 due
30
reading period begins