Anomalous behavior of sound velocity in gallium in a magnetic field
E. Yu. DeinekaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. E. KabanovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovV. D. FilPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovN. G. BurmaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
ABI
Abstract
A considerable abrupt change (by ∼ 5–7%) in the sound velocity in gallium is observed experimentally in classically strong and weak magnetic fields. The effect is associated with a delay in the electron–phonon interaction and is apparently observed under the resonance coupling of elastic waves and intrinsic electromagnetic waves in the metal.
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