Current-induced anisotropy and reordering of the electron liquid-crystal phases in a two-dimensional electron system

J. Göres; G. Gamez; J. H. Smet; L. Pfeiffer; K. West; A. Yacoby; V. Umansky; K. Von Klitzing

doi:10.1103/PhysRevLett.99.246402

Current-induced anisotropy and reordering of the electron liquid-crystal phases in a two-dimensional electron system

J. Göres, G. Gamez, J. H. Smet, L. Pfeiffer, K. West, A. Yacoby, V. Umansky, K. Von Klitzing

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

The correlated phases in a two-dimensional electron system with a high index partially filled Landau level are studied in transport under nonequilibrium conditions by imposing a dc-current drive. At filling 1/4 and 3/4 of these Landau levels, where the charge density wave picture predicts an isotropic bubble phase, the dc drive induces anisotropic transport behavior consistent with stripe order. The easy axis of the emerging anisotropic phase is perpendicular to the drive. At half filling the anisotropic stripe phase is stabilized by the dc drive provided drive and easy-axis directions coincide.

Original language	English (US)
Article number	246402
Journal	Physical review letters
Volume	99
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.99.246402
State	Published - Dec 12 2007
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.99.246402

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title = "Current-induced anisotropy and reordering of the electron liquid-crystal phases in a two-dimensional electron system",

abstract = "The correlated phases in a two-dimensional electron system with a high index partially filled Landau level are studied in transport under nonequilibrium conditions by imposing a dc-current drive. At filling 1/4 and 3/4 of these Landau levels, where the charge density wave picture predicts an isotropic bubble phase, the dc drive induces anisotropic transport behavior consistent with stripe order. The easy axis of the emerging anisotropic phase is perpendicular to the drive. At half filling the anisotropic stripe phase is stabilized by the dc drive provided drive and easy-axis directions coincide.",

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AU - Göres, J.

AU - Gamez, G.

AU - Smet, J. H.

AU - Pfeiffer, L.

AU - West, K.

AU - Yacoby, A.

AU - Umansky, V.

AU - Von Klitzing, K.

PY - 2007/12/12

Y1 - 2007/12/12

N2 - The correlated phases in a two-dimensional electron system with a high index partially filled Landau level are studied in transport under nonequilibrium conditions by imposing a dc-current drive. At filling 1/4 and 3/4 of these Landau levels, where the charge density wave picture predicts an isotropic bubble phase, the dc drive induces anisotropic transport behavior consistent with stripe order. The easy axis of the emerging anisotropic phase is perpendicular to the drive. At half filling the anisotropic stripe phase is stabilized by the dc drive provided drive and easy-axis directions coincide.

AB - The correlated phases in a two-dimensional electron system with a high index partially filled Landau level are studied in transport under nonequilibrium conditions by imposing a dc-current drive. At filling 1/4 and 3/4 of these Landau levels, where the charge density wave picture predicts an isotropic bubble phase, the dc drive induces anisotropic transport behavior consistent with stripe order. The easy axis of the emerging anisotropic phase is perpendicular to the drive. At half filling the anisotropic stripe phase is stabilized by the dc drive provided drive and easy-axis directions coincide.

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Current-induced anisotropy and reordering of the electron liquid-crystal phases in a two-dimensional electron system

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