Quantum Hall Stripe States in a Tilted Magnetic Field

Details Quantum Hall Stripe States in a Tilted Magnetic Field Quantum Hall Stripe States in a Tilted Magnetic Field

2001-03-16

arxiv.org/abs/cond-mat/0103339v1

Proceedings of ICPS25, Springer Verlag p.933 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

2 pages, 2 figures, 25th International Conference on the Physics of Semiconductors, Osaka, Japan, 2000

Scientific paper

A strong anisotropy in the longitudinal resistivity of a 2D electron system has been observed at half-filled high Landau levels. We report on detailed Hartree-Fock calculations of the unidirectional charge density wave (UCDW) orientation energy induced by a tilted magnetic field. We find that stripes can orient both parallel or perpendicular to the in-plane field depending on the sample parameters and field strength. The close agreement between complex experimental data on different sample geometries and our theoretical results strongly support the UCDW picture as the origin of the observed anisotropies in high Landau levels.

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