Question: Consider a three-dimensional monatomic crystal at thermal equilibrium. Use the Debye model to show that the phonon contribution to the low temperature heat ca-

Consider a three-dimensional monatomic crystal at thermal equilibrium. Use the Debye model to show that the

Consider a three-dimensional monatomic crystal at thermal equilibrium. Use the Debye model to show that the phonon contribution to the low temperature heat ca- pacity of the crystal behaves as T.

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