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Evidence for an Anisotropic State of Two-Dimensional Electrons in High Landau Levels
Open accessAbstract
Magnetotransport experiments on high mobility two-dimensional electron gases in GaAs/AlGaAs heterostructures have revealed striking anomalies near half filling of several spin-resolved, yet highly excited, Landau levels. These anomalies include strong anisotropies and nonlinearities of the longitudinal resistivity ${\ensuremath{\rho}}_{\mathrm{xx}}$ which commence only below about 150 mK. These phenomena are not seen in the ground state or first excited Landau level but begin abruptly in the third level. Although their origin remains unclear, we speculate that they reflect the spontaneous development of a generic anisotropic many-electron state.
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Cited by
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Metadata
- Authors
- Lilly, M. P., Cooper, K. B., Eisenstein, J. P., Pfeiffer, L. N., & West, K. W.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1999-01-11
- Volume
- 82
- Issue
- 2
- Pages
- 394-397
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2089160792
- Cited by
- 634
- References
- 0
- FWCI
- 28.29
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Lilly, M. P., Cooper, K. B., Eisenstein, J. P., Pfeiffer, L. N., & West, K. W. (1999). Evidence for an Anisotropic State of Two-Dimensional Electrons in High Landau Levels. Physical Review Letters. https://doi.org/10.1103/physrevlett.82.394
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