Willett, R. and Eisenstein, J. P. and Störmer, H. L. and Tsui, D. C. and Gossard, A. C. and English, J. H. (1987) Observation of an Even-Denominator Quantum Number in the Fractional Quantum Hall Effect. Physical Review Letters, 59 (15). pp. 1776-1779. ISSN 0031-9007. doi:10.1103/PhysRevLett.59.1776. https://resolver.caltech.edu/CaltechAUTHORS:20120626-114637114
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Abstract
An even-denominator rational quantum number has been observed in the Hall resistance of a two-dimensional electron system. At partial filling of the second Landau level ν= 2+(1/2) = 5/2 and at temperatures below 100 mK, a fractional Hall plateau develops at ρ_(xy)=(h/e^2)/(5/2) defined to better than 0.5%. Equivalent even-denominator quantization is absent in the lowest Landau level under comparable conditions.
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| Additional Information: | © 1987 American Physical Society. Received 24 July 1987; published in the issue dated 12 October 1987. We would like to express our thanks to the staff of the Francis Bitter National Magnet Laboratory where the high-field experiments were performed. We would also like to thank P. A. Wolff for generous support and K. W. Baldwin for excellent technical assistance. The Francis Bitter National Magnet Laboratory is supported by the National Science Foundation. The work at Princeton University is supported by the National Science Foundation through Grant No. DMR-8212167 and by the U.S. Office of Naval Research through Contract No. 00014-82-K-0450. | |||||||||
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| Issue or Number: | 15 | |||||||||
| Classification Code: | PACS: 73.40.Kp, 73.20.Dx, 73.50.Jt | |||||||||
| DOI: | 10.1103/PhysRevLett.59.1776 | |||||||||
| Record Number: | CaltechAUTHORS:20120626-114637114 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120626-114637114 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 32092 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | INVALID USER | |||||||||
| Deposited On: | 26 Jun 2012 22:07 | |||||||||
| Last Modified: | 09 Nov 2021 21:15 |
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