*
The statistical foundations of thermodynamics. Micro-canonical, canonical,
and grand canonical ensembles. Quantum statistics. Ideal Bose and Fermi
systems. Fluctuations and linear-response theory. Phase transitions and
critical phenomena.
*

**Midterm 1 is Thursday September 28.**

Covers HW1-4, Lecs. 1-9, Ch. 1, 3, 4 in textbook.

Calculator and crib sheet (8.5"x11" one side) allowed.

**Exam week office hours: Wed. 2-4pm.**

Practice Problems for Midterm 1 (Note: These are actual problems
from a previous exam. No guarantee of similarity to this year's exam problems.)

**Homework (due in blue box outside PAS 224):**

HW1 due 4pm Friday Sept. 1

HW2 due 4pm Friday Sept. 8

HW3 due 9am Monday Sept. 18 (deadline extended)

HW4 due 4pm Friday Sept. 22

Textbook *Statistical Mechanics and Applications in Condensed Matter* available on amazon.com and at UA Bookstore.

Course information

Schedule of topics, reading, and exams

**Office hours:** Thursday 2-4pm,
or contact me

**Solutions:**

HW1
HW2
HW3
HW4

Grades available on d2l

**Lecture notes:**

Lec 1: The Laws of Thermodynamics

Lec 2: Statistical basis of thermodynamics

Lec 3: Classical ideal gas

Lec 4: Introduction to ensemble theory

Lec 5: Micro-canonical ensemble

Lec 6: Canonical ensemble

Lec 7: Canonical ensemble II

Lec 8: Paramagnetism

Lec 9: Grand canonical ensemble

Lec 10: The density matrix

Lec 11: Quantum statistics (cont.)

Lec 12: Reduced density matrix

Lec 13: Quantum many-particle systems

Lec 14: Quantum ideal gas

Lec 15: Fermi gas

Lec 16: Fermi gas II

Lec 17: Ideal Bose gas

Lec 18: Photons and phonons

Lec. 19: Quantum theory of a harmonic crystal

Lec. 20: Fluctuations in a 1D harmonic system

Lec. 21: Superconductivity I: Meissner effect

Lec. 22: Superconductivity II: Ginzburg-Landau theory

Lec. 23: Electrical noise in a resistor

Lec. 24: Thermoelectric effects and linear response theory

**Additional references:**

David Tong, *Lectures on Statistical Physics* (Cambridge University, 2012)

Information: From Maxwell's demon to Landauer's eraser, *Physics Today* (September 2015).

Thermodynamics and Statistical Mechanics at Negative Absolute Temperatures,
Norman F. Ramsey, Phys. Rev. **103**, 20 (1956).

Topological Phase Transitions and Topological Phases of Matter Nobel Prize in Physics (2016).