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Giant magnetoresistance oscillations caused by cyclotron resonance harmonics

S. I. Dorozhkin

Institute of Solid State Physics, Russian Academy of Sciences

Abstract: For high-mobility two-dimensional electrons at a GaAs/AlGaAs heterojunction, we have studied, both experimentally and theoretically, the recently discovered giant magnetoresistance oscillations with nearly zero resistance in the oscillation minima which appear under microwave radiation. We have proposed a model based on nonequilibrium occupation of Landau levels caused by radiation which describes the oscillation picture.

PACS: 73.40.-c, 73.43.-f

Received: 17.04.2003

Language: English

 English version: Journal of Experimental and Theoretical Physics Letters, 2003, 77:10, 577–581

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