Light‐Induced Absorption (Amplification) of an Intensive Sound Wave in a Semiconductor Under a Quantizing Magnetic Field | Zendy

Yu. Safronov E. | Zendy; Sinyavskii E. P. | Zendy

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Light‐Induced Absorption (Amplification) of an Intensive Sound Wave in a Semiconductor Under a Quantizing Magnetic Field

Author(s) -

Yu. Safronov E.,

Sinyavskii E. P.

Publication year - 1993

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221750223

Subject(s) - absorption (acoustics) , sound intensity , sound energy , physics , sound (geography) , magnetic field , acoustic wave , acoustics , intensity (physics) , dissipation , optics , quantum mechanics

The light‐induced absorption (amplification) of an intensive high‐frequency sound wave due to interband transitions of the electrons in a quantizing magnetic field is studied. With the use of the density matrix method the energy dissipation of the sound wave per unit time is calculated and the non‐linear constant γ ( I ) of the sound absorption is defined. The pecularities of γ ( I ) which appear with the change of the sound‐wave intensity ( I ) are discussed.

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