Physics 214A   Winter 2009

Statistical Physics 		due 9:30 am Tuesday, February 24

PROBLEM SET 6

Reading: Chapter 7 (sections 7.1-7.10) in Reif.

Problems:

1. Reif 7.1
2. Reif 7.2
3. Reif 7.3
4. Reif 7.5
5. Reif 7.7
6. Reif 7.14
7. In class (see notes for lecture 10) we considered a system of $N$ noninteracting spins at temperature $T$ in an external magnetic field $H$ pointing along the $z$ axis. These spins have total angular momentum $J=1/2$ and $g=2$. What is the entropy $S$ of the system as a function of $T$ and $H$?