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•• (a) (Section 15.9) Plot the Einstein specific heat of a solid as a function of temperature and thus reproduce Fig. 15.17. Assume that the vibrational level spacing has the value ε = 0.037 eV (a typical value in a solid). (b) Using the value ε = 0.037 eV, at what temperature is the heat capacity of the solid given by 0.9 times the Dulong–Petit value?
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