Nonlinear response formula for an interacting two-dimensional electron gas under a magnetic field and microwave radiation

Authors

T. Toyoda, Tokai University, Japan
M. Fujita, Tokai University, Japan
H. Koizumi, Nippon Gear Co., Kanagawa, Japan
C. Zhang, University of WollongongFollow

RIS ID

13674

Publication Details

This article was originally published as: Toyoda, T, Fujita, M, Koizumi, H & Zhang, C, Nonlinear response formula for an interacting two-dimensional electron gas under a magnetic field and microwave radiation, Physical Review B, 2005, 71, 033313-1-033313-4. Copyright 2005 American Physical Society. The original journal can be found here.

Abstract

Introducing a canonical transformation of the second quantized field operators for two-dimensional interacting electrons under a uniform static magnetic field and a microwave radiation field, an exact formula that transforms the retarded density response function of the electrons to that of the electrons without the radiation field is derived. The formula provides a new way to treat the effects of the microwave radiation field on the electron density response when the conventional linear response approximation is not applicable.