Heat capacity of magnons use the approximate magnon dispersion relation w = Ak 2 find the leading
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Heat capacity of magnons use the approximate magnon dispersion relation w = Ak2 find the leading term in the heat capacity of a three-dimensional Ferro magnet at low temperatures kBT << J. The result is 0.113 kB (kBT/hA)3/2, unit volume. The zeta function that enters the result may he estimated numerically; it is tabulated in Jahnke-Emde.
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U ho hfdoDmo If o Ak thendodk 2Ak 2 and The...View the full answer
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