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1. (a) Consider a Debye solid and derive an expression for the total number of phonons in a
Debye solid as a function of temperature T.
(b) Now, calculate the average energy per phonon (total energy divided by the number of
phonons) in the Debye solid in the limit of low temperatures.
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Transcribed Image Text:1. (a) Consider a Debye solid and derive an expression for the total number of phonons in a Debye solid as a function of temperature T. (b) Now, calculate the average energy per phonon (total energy divided by the number of phonons) in the Debye solid in the limit of low temperatures.
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