Eisenstein, J. P. and Boebinger, G. S. and Pfeiffer, L. N. and West, K. W. and He, Song (1992) New fractional quantum Hall state in double-layer two-dimensional electron systems. Physical Review Letters, 68 (9). pp. 1383-1386. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:EISprl92b
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Abstract
Transport studies on bilayer two-dimensional electron systems in GaAs double quantum wells have revealed a new fractional quantum Hall state that has no known counterpart in a single-layer 2D system. At total filling fraction ν=1/2 we observe a deep minimum in the diagonal resistivity and a flat Hall plateau within 1.5% of 2h/e^2. Studies of this new state in several samples with varying densities and layer separations strongly suggest this new state arises from interlayer Coulomb correlations. The data also suggest that the ν=1 quantum Hall effect seen in these samples has a similar origin.
| Item Type: | Article |
|---|---|
| Additional Information: | ©1992 The American Physical Society Received 10 December 1991 We note that after the original observations reported here we learned of similar results of Suen et al. [14]. We thank M. Shayegan for kindly giving us a prerint prior to publication. |
| Record Number: | CaltechAUTHORS:EISprl92b |
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:EISprl92b |
| Alternative URL: | http://dx.doi.org/10.1103/PhysRevLett.68.1383 |
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
| ID Code: | 4032 |
| Collection: | CaltechAUTHORS |
| Deposited By: | Archive Administrator |
| Deposited On: | 25 Jul 2006 |
| Last Modified: | 26 Dec 2012 08:57 |
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