Abstract
Electrical conductivity for ultrasound propagating parallel to the dc magnetic field is calculated by using a quantum treatment which is valid at high frequencies. The energy band structure is assumed to be the Cohen nonellipsoidal nonparabolic (NENP) model. The results show that the ac longitudinal conductivity depends on the magnetic field, and some oscillations and discontinuities occur in the dependence of the conductivity on the magnetic field in the region of high frequencies and strong magnetic fields.
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