Abstract
The giant quantum attenuation in semi-metals, which was predicted by Gurevich, Skobov, and Firsov, is affected by the deformation potential. In a strong magnetic field, the deformation potential strongly depends on the density of states. We have calculated the curves of attenuation coefficient in bismuth taking the density-of-states dependence of deformation potentials into account. The satisfactory result which quantitatively agrees with the experimentally observed line shapes of sound attenuation is obtained.
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