Electron correlation in the second landau level: A competition between many nearly degenerate quantum phases

J. S. Xia; W. Pan; C. L. Vicente; E. D. Adams; N. S. Sullivan; H. L. Stormer; D. C. Tsui; L. N. Pfeiffer; K. W. Baldwin; K. W. West

doi:10.1103/PhysRevLett.93.176809

Electron correlation in the second landau level: A competition between many nearly degenerate quantum phases

J. S. Xia, W. Pan, C. L. Vicente, E. D. Adams, N. S. Sullivan, H. L. Stormer, D. C. Tsui, L. N. Pfeiffer, K. W. Baldwin, K. W. West

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262 Scopus citations

Abstract

The high mobility of two dimensional electron system in the second Landau level was discussed. In the second level, the larger extent of the wave function as compared to the lowest LL and its additional zero allows for a much broader range of electron correlations to be favorable. An example of electron correlations encountered in the second LL is the even-denominator v=2+1/2 fractional quantum hall effect (FQHE) state. With a varying filling factor, it was observed that quantum liquids of different origins compete with several insulating phases leading to an irregular pattern in the transport parameters.

Original language	English (US)
Article number	176809
Pages (from-to)	176809-1-176809-4
Journal	Physical review letters
Volume	93
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.93.176809
State	Published - Oct 2 2004
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.93.176809

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Xia, J. S., Pan, W., Vicente, C. L., Adams, E. D., Sullivan, N. S., Stormer, H. L., Tsui, D. C., Pfeiffer, L. N., Baldwin, K. W., & West, K. W. (2004). Electron correlation in the second landau level: A competition between many nearly degenerate quantum phases. Physical review letters, 93(17), 176809-1-176809-4. Article 176809. https://doi.org/10.1103/PhysRevLett.93.176809

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abstract = "The high mobility of two dimensional electron system in the second Landau level was discussed. In the second level, the larger extent of the wave function as compared to the lowest LL and its additional zero allows for a much broader range of electron correlations to be favorable. An example of electron correlations encountered in the second LL is the even-denominator v=2+1/2 fractional quantum hall effect (FQHE) state. With a varying filling factor, it was observed that quantum liquids of different origins compete with several insulating phases leading to an irregular pattern in the transport parameters.",

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AU - Xia, J. S.

AU - Pan, W.

AU - Vicente, C. L.

AU - Adams, E. D.

AU - Sullivan, N. S.

AU - Stormer, H. L.

AU - Tsui, D. C.

AU - Pfeiffer, L. N.

AU - Baldwin, K. W.

AU - West, K. W.

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Electron correlation in the second landau level: A competition between many nearly degenerate quantum phases

Abstract

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