Transport in two-dimensional electron gas narrow channel with a magnetic field gradient

Details Transport in two-dimensional electron gas narrow channel with a magnetic field gradient Transport in two-dimensional electron gas narrow channel with a magnetic field gradient

2003-10-26

arxiv.org/abs/cond-mat/0310608v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 5 figures

Scientific paper

10.1103/PhysRevB.69.153304

We have investigated distinctive transport phenomena in two-dimensional electron gas (2DEG) narrow channel subjected to a large magnetic field gradient, a unique situation created in a ferromagnet/2DEG hybrid structure. The so-called snake orbits which propagate in the direction determined by the sign of field gradient, give rise to conductivity enhancement and rectification effect with respect to the direction of DC bias current.

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