The total number of phonon modes in a solid of volume V is fg(@)dw=3N, is the...

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The total number of phonon modes in a solid of volume V is fºg(@)dw=3N, is the number of primitive cells, , is the Debye frequency and density of photon modes is g(a)= AV@² (with A>0 a constant). If the density of the solid doubles in a phase transition, the Debye temperature , will (a) increase by a factor of 22/3 (c) decrease by a factor of 22/3 (b) increase by a factor of 2¹/3 (d) decrease by a factor of 2¹/3 The total number of phonon modes in a solid of volume V is fºg(@)dw=3N, is the number of primitive cells, , is the Debye frequency and density of photon modes is g(a)= AV@² (with A>0 a constant). If the density of the solid doubles in a phase transition, the Debye temperature , will (a) increase by a factor of 22/3 (c) decrease by a factor of 22/3 (b) increase by a factor of 2¹/3 (d) decrease by a factor of 2¹/3

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