Question: For the piezoelectric tensor for a cubic crystal given in Table 3.4, show that the piezoelectric interaction Hamiltonian couples electrons to transverse phonons in the

For the piezoelectric tensor for a cubic crystal given in Table 3.4, show that the piezoelectric interaction Hamiltonian couples electrons to transverse phonons in the [110] direction but not longitudinal phonons in the same direction. Table 3.4 Piezoeletric tensor for a cubic crystal (T or Ta symmetry)

Table 3.4 Piezoeletric tensor for a cubic crystal (T or Ta symmetry) 0 0 0 0 0 0 0 e41 0 0 e41 0 0 0 0 0 0 e41

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