Piezoelectric mechanism of orientation of stripe structures in two-dimensional electron systems

Abstract

A piezoelectric mechanism of orientation of stripes in two-dimensional quantum Hall systems in GaAs heterostructures is considered. The anisotropy of the elastic moduli and the boundary of the sample are taken into account. It is found that in the average the stripes line up with the [110] axis. In double layer systems the wave vector of the stripe structure rotates from the [110] to [100] axis if the period of density modulation becomes large than the interlayer distance. From the experimental point of view it means that in double layer systems anisotropic part of resistivity changes its sign under variation of the external magnetic field.

8 pages

References in corpus (4)

• Evidence for an Anisotropic State of Two-Dimensional Electrons in High Landau Levels
• Strongly Anisotropic Transport in Higher Two-Dimensional Landau Levels
• Anisotropic States of Two-Dimensional Electron Systems in High Landau Levels: Effect of an In-Plane Magnetic Field
• Strongly Anisotropic Electronic Transport at Landau Level Filling Factor $\nu =9/2$ and $\nu =5/2$ Under Tilted Magnetic Field

Cited by in corpus (16)

• Nematic Fermi Fluids in Condensed Matter Physics
• Electronic in-plane symmetry breaking at field-tuned quantum criticality in CeRhIn5
• Effect of strain on stripe phases in the Quantum Hall regime
• An Investigation of Orientational Symmetry-Breaking Mechanisms in High Landau Levels
• Density Induced Interchange of Anisotropy Axes at Half-Filled High Landau Levels
• Metastable Resistance Anisotropy Orientation of Two-Dimensional Electrons in High Landau Levels
• Heterostructure Symmetry and the Orientation of the Quantum Hall Nematic Phases
• Anomalous Nematic States in High Half-Filled Landau Levels
• Piezoelectric mechanism of orientation of a bilayer Wigner crystal in a GaAs matrix
• Direct observation of micron-scale ordered structure in a two-dimensional electron system
• Hidden Quantum Hall Stripes in Al${}_x$Ga${}_{1-x}$As/Al${}_{0.24}$Ga${}_{0.76}$As Quantum Wells
• Orientation of hole quantum Hall nematic phases in an out-of-plane electric field
• Interaction of a surface acoustic wave with a two-dimensional electron gas
• Density-induced reorientation of the stripe at half-filled high Landau levels
• Temperature dependence of the conductivity of the electronic crystal
• Metastable anisotropy orientation of nematic quantum Hall fluids