Problems and Solutions on Thermodynamics and Statistical Mechanics

Statidtical Physics 327

Solution:

S,(3)) stand for its energy. We have

(a) Let (S, (l), S, (2), S, (3)) stand for a microstate, and E(S, (I), S, (2),

E --,--,-- =-+3pH.

(1 d 1) ;

These energy levels are sketched in Fig. 2.30, where we have assumed 2pH >
T
J >pH.
2

energy degeneracy

A

PH- t - 2

--1 2 - PH.7

Fig. 2.30