Mutual rectification of alternating currents in graphene in the field of two electromagnetic waves |
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Authors: | V I Konchenkov S V Kryuchkov T A Nosaeva D V Zav’yalov |
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Institution: | 14185. Volgograd State Socio-Pedagogical University, pr. Lenina 27, Volgograd, 400005, Russia 24185. Volgograd State Technical University, pr. Lenina 28, Volgograd, 400005, Russia
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Abstract: | For graphene placed in a dc magnetic field and exposed to two electromagnetic waves of the same polarization but different frequencies, an expression for the direct current density in a direction perpendicular to the polarization plane of the waves is derived. The direct current component is nonzero for the wave frequency ratio equal to two; it is proportional to the magnetic field strength, the electric field strength of the higher-frequency wave, and the squared electric field strength of the lower-frequency wave. The physical mechanism of the current generation is similar to the Hall effect. |
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