Skyrmions in disordered heterostructures}

Details Skyrmions in disordered heterostructures} Skyrmions in disordered heterostructures}

1998-08-31

arxiv.org/abs/cond-mat/9808339v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

ZIP archive, 4 pages, 3 postscript figures

Scientific paper

10.1103/PhysRevLett.82.406

We have investigated the effect of weak disorder on the ground state of a two
dimensional electron gas in the quantum Hall regime at filling factors slightly
deviating from unity. The skyrmions and antiskyrmions are found to be present
even at filling factor $\nu=1$. They may be strongly squeezed by the disorder.
We have studied temperature effect on skyrmion density and size.

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