Full 2D Numerical Study of the Quantum Hall Skyrme Crystal

Details Full 2D Numerical Study of the Quantum Hall Skyrme Crystal Full 2D Numerical Study of the Quantum Hall Skyrme Crystal

2001-06-08

arxiv.org/abs/cond-mat/0106157v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 6 figures. Needs revtex4

Scientific paper

Spin textures arise in the effective action approach to the quantum Hall effect. Up to now these textures, also called Skyrmions, have been mainly studied using approximations. Studies of its finite density form, the crystal, have been limited to a given symmetry and tend ignore Skyrmion deformation. Using a simulated annealing technique, adapted to problems with a long-range interaction, we are able to present the first full 2D study of quantum Hall Skyrmions and the corresponding crystals. Our results show that only the Skyrmions with topological charge one and two are bound and that the Skyrme crystal is probably a triangular lattice made of charge-two Skyrmions.

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