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1. Phonon density of states and specific heat. Assuming that phonons of a three-dimensional crystal obey the following isotro

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1. K -» Spring Con6lonl Sin Csave vector a) we Kmou that Na clw du Cohere a Cos m when N (1) 2 K CoS (b) Cant be this dw gcuKBN 12ke ne dw KBN | 2 KBthumbs up please

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Part 2 will rate thanks in advance 1. Phonon density of states and specific heat. Assuming that phonons of a three-dime...
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