Global phase diagram of bilayer quantum Hall ferromagnets

Abstract

We present a microscopic study of the interlayer spacing d versus in-plane magnetic field $B_{\parallel }$ phase diagram for bilayer quantum Hall (QH) pseudo-ferromagnets. In addition to the interlayer charge balanced commensurate and incommensurate states analyzed previously, we address the corresponding interlayer charge unbalanced "canted" QH states. We predict a large anomaly in the bilayer capacitance at the canting transition and the formation of dipole stripe domains with periods exceeding 1 micron in the canted state.

4 RevTeX pgs, 2 eps figures, submitted to PRL

References in corpus (2)

• Incommensurate ground state of double-layer quantum Hall systems
• Pseudo-spin canting transition in bilayer quantum Hall ferromagnets: a self-charging capacitor

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