Hall field induced magnetoresistance oscillations of a two-dimensional electron system

Details Hall field induced magnetoresistance oscillations of a two-dimensional electron system Hall field induced magnetoresistance oscillations of a two-dimensional electron system

2007-07-16

arxiv.org/abs/0707.2396v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

11 pages, 5 figures

Scientific paper

10.1016/j.physb.2008.07.031

We develop a model of the nonlinear response to a DC electrical current of a two dimensional electron system(2DES) placed on a magnetic field. Based on the exact solution of the Schroedinger equation in arbitrarily strong electric and magnetic fields, and separating the relative and guiding center coordinates, a Kubo-like formula for the current is worked out as a response to the impurity scattering. Self-consistent expressions determine the longitudinal and Hall components of the electric field in terms of the DC current. The differential resistivity displays strong Hall field-induced oscillations, in agreement with the main features of the phenomenon observed in recent experiments.

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