Anomalous nematic state to stripe phase transition driven by in-plane magnetic fields

X. Fu, Q. Shi, M. A. Zudov*, G. C. Gardner, J. D. Watson, M. J. Manfra, K. W. Baldwin, L. N. Pfeiffer, K. W. West

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Anomalous nematic states, recently discovered in ultraclean two-dimensional electron gas, emerge from quantum Hall stripe phases upon further cooling. These states are hallmarked by a local minimum (maximum) in the hard (easy) longitudinal resistance and by an incipient plateau in the Hall resistance in nearly half-filled Landau levels. Here, we demonstrate that a modest in-plane magnetic field, applied either along (110) or (11¯0) crystal axis of GaAs, destroys anomalous nematic states and restores quantum Hall stripe phases aligned along their native (110) direction. These findings confirm that anomalous nematic states are distinct from other ground states and will assist future theories to identify their origin.

Original languageEnglish
Article numberL081301
Number of pages5
JournalPhysical Review B
Volume104
Issue number8
DOIs
Publication statusPublished - 2021
Externally publishedYes

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