Publication Details

This article was originally published as: Xu, W, Khmyrova, I & Ryzhii, V, Terahertz-photon-modified magnetotransport in a semiconductor in Voigt geometry, Physical Review B, 2001, 64, 085209. Copyright 2001 American Physical Society. The original journal can be found here.


We present a theoretical study of transport and optical properties of a semiconductor-based electron gas subjected simultaneously to quantizing magnetic fields and intense terahertz THz laser fields in Voigt geometry. It is found that the presence of the THz radiation can result in an enhanced magnetophonon resonance effect and a resonant-absorption peak can be observed at about f1 THz for GaAs in high magnetic fields. The results are pertinent to experiments where THz free-electron lasers are employed as intense radiation sources.

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