# FYSA2042 Statistical Physics, part B (4 cr)

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## Description

The grand canonical ensemble

Quantum statitics, identical particles

Bose-Einstein condensation

Black body radiation

Thermodynamics of photon gas

Lattice vibrations

Ideal Fermi gas, relativistic gas

Transport theory

Boltzmann equation and H-theorem

Relaxation time approximation

Principles of diffusion, heat and electric conductivity

Onsager’s reciprocity relations

## Learning outcomes

After finishing the course the student knows

The principles of Einstein and Debye theories of heat capacities of solids

How to calculate averages using the grand canonical partition function

The canonical and grand canonical ensembles

How to ue chemical potential and it’s significance

The properties of classical and quantum ideal gases

Bose-Einstein and Fermi-Dirac statistics and their differences

Basic formulas of black body radiation

The physics of Bose-Einstein condensation

Principles of transport theory (as examples, Brownian motion, diffusion, and the Boltzmann equation in relaxation time approximation).

## Description of prerequisites

FYSA2041 Statistical Physics, part A

FYSA2031 Quantum Mechanics, part A

## Study materials

Luentomoniste

## Literature

- Jouko Arponen ja Juha Honkonen, Statistinen Fysiikka, ISBN-13: 9789517451895, ISBN-10: 951745189X.
- Franz Mandl, Statistical Physics, ISBN-13: 978-0471915331, ISBN-10: 0471915335.
- Roger Bowley and Mariana Sanchez, Introductory Statistical Mechanics, ISBN-13: 978-0198505761 ISBN-10: 0198505760.
- Linda Reichl , A Modern Course in Statical Physics, ISBN-13: 978-3527413492 ISBN-10: 3527413499.
- R. K. Pathria ja P. D. Beale, Statistical Mechanics, ISBN: 9780123821898

## Completion methods

### Method 1

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### Method 2

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### Teaching (4 cr)

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Exercises, exam.

#### Teaching

##### 10/13–10/13/2023 Exam

##### 3/4–4/26/2024 Lectures

##### 5/17–5/17/2024 Exam

### Independent study (4 cr)

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Self-study and exam.