Magnetoresistivity Modulated Response in Bichromatic Microwave Irradiated Two Dimensional Electron Systems

Abstract

We analyze the effect of bichromatic microwave irradiation on the magnetoresistivity of a two dimensional electron system. We follow the model of microwave driven Larmor orbits in a regime where two different microwave lights with different frequencies are illuminating the sample ($w_1$ and $w_2$). Our calculated results demonstrate that now the electronic orbit centers are driven by the superposition of two harmonic oscillatory movements with the frequencies of the microwave sources. As a result the magnetoresisitivity response presents modulated pulses in the amplitude with a frequency of $\frac{w_1-w_2}{2}$, whereas the main response oscillates with $\frac{w_1+w_2}{2}$.

arXiv comment4 pages, 3 figures Accepted in Applied Physics Letters

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• Microwave-induced electron heating in the regime of radiation-induced magnetoresistance oscillations
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• Hall magnetoresistivity response under Microwave excitation revisited
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