Part II - Statistical Physics
Lectured by H. S. Reall, Lent 2017
These notes are not endorsed by the lecturers, and I have modified them (often significantly) after lectures. They are nowhere near accurate representations of what was actually lectured, and in particular, all errors are almost surely mine.
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Contents
- V Full version
- 0 Introduction
- 1 Fundamentals of statistical mechanics
- 1.1 Microcanonical ensemble
- 1.2 Pressure, volume and the first law of thermodynamics
- 1.3 The canonical ensemble
- 1.4 Helmholtz free energy
- 1.5 The chemical potential and the grand canonical ensemble
- 1.6 Extensive and intensive properties
- 2 Classical gases
- 2.1 The classical partition function
- 2.2 Monoatomic ideal gas
- 2.3 Maxwell distribution
- 2.4 Diatomic gases
- 2.5 Interacting gases
- 3 Quantum gases
- 3.1 Density of states
- 3.2 Black-body radiation
- 3.3 Phonons and the Debye model
- 3.4 Quantum ideal gas
- 3.5 Bosons
- 3.6 Bose–Einstein condensation
- 3.7 Fermions
- 3.8 Pauli paramagnetism
- 4 Classical thermodynamics
- 4.1 Zeroth and first law
- 4.2 The second law
- 4.3 Carnot cycles
- 4.4 Entropy
- 4.5 Thermodynamic potentials
- 4.6 Third law of thermodynamics
- 5 Phase transitions