“Non-collision” magnetoacoustic resonance in gallium
A. E. KabanovPhysicotechnical 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, KharkovE. Yu. DeinekaPhysicotechnical 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, Kharkov
ABI
Abstract
The predicted “non-collision” magnetoacoustic resonance (MAR) occurring under the condition of weak aperiodicity of the electron movement along quasi-open trajectories [A. A. Slutskin and A. Ya. Sharshanov, Fiz. Nizk. Temp. 12, 718 (1986)] is experimentally detected and investigated. For the cross-section of the open region of the Fermi surface (FS) of gallium providing the extreme electron drift, the value of ∂3S/∂pξ3pξextr (S is the area of the corresponding cross section and pξ the Fermi momentum perpendicular to the vector of openness) is measured.
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