(a) Show that the partition function of a photon gas is given by Where the product is...

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(a) Show that the partition function of a photon gas is given by

p(- hwn 1 – exp П-

Where the product is over the modes n

(b) The Helmholtz free energy is found directly from (53) as

Transform the sum to an integral; integrate by parts to find

F = –π²Vτ⁴/45h³c³

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Thermal Physics

ISBN: 978-0716710882

2nd Edition

Authors: Charles Kittel, Herbert Kroem

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Question Posted: Aug 19, 2011 10:10 AM

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(a) Show that the partition function of a photon gas is given by Where the product is...

Question:

p(- hwn 1 – exp П-

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a the partition function for a single mode with frequency n ...View the full answer

Thermal Physics

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