A Guide to Physics Problems. Part 2. Thermodynamics, Statistical Physics, and Quantum Mechanics

143

yielding

Then (S.4.44.3)becomes

with

b) In order to find the conjugatemomenta we must compute the
Lagrangian

Expressing through

we may rewritethe Hamiltonian as

c) The single-diatompartition function may becomputed as follows:

THERMODYNAMICS AND STATISTICAL PHYSICS