Parallel magnetic field induced giant magnetoresistance in low density {\it quasi}-two dimensional layers

Abstract

We provide a possible theoretical explanation for the recently observed giant positive magnetoresistance in high mobility low density {\it quasi}-two dimensional electron and hole systems. Our explanation is based on the strong coupling of the parallel field to the {\it orbital} motion arising from the {\it finite} layer thickness and the large Fermi wavelength of the {\it quasi}-two dimensional system at low carrier densities.

4 pages with 4 figures. Accepted for Publication in Physical Review Letters

References in corpus (1)

• Spin Degree of Freedom in a Two-Dimensional Electron Liquid

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