Pinning modes and interlayer correlation in high magnetic field bilayer Wigner solids

Details Pinning modes and interlayer correlation in high magnetic field bilayer Wigner solids Pinning modes and interlayer correlation in high magnetic field bilayer Wigner solids

2006-11-27

arxiv.org/abs/cond-mat/0611686v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevLett.99.136804

We report studies of pinning mode resonances in the low total Landau filling (\nu) Wigner solid of a series of bilayer hole samples with negligible interlayer tunneling, and with varying interlayer separation d. Comparison of states with equal layer densities (p,p) to single layer states (p,0) produced {in situ} by biasing, indicates that there is interlayer quantum correlation in the solid at small d. Also, the resonance frequency at small d is decreased just near \nu=1/2 and 2/3, indicating the importance in the solid of correlations related to those in the fractional quantum Hall effects.

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