Spielman, I. B. and Eisenstein, J. P. and Pfeiffer, L. N. and West, K. W. (2000) Resonantly Enhanced Tunneling in a Double Layer Quantum Hall Ferromagnet. Physical Review Letters, 84 (25). pp. 5808-5811. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:SPIprl00
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Abstract
The tunneling conductance between two parallel 2D electron systems has been measured in a regime of strong interlayer Coulomb correlations. At total Landau level filling νT = 1 the tunnel spectrum changes qualitatively when the boundary separating the compressible phase from the ferromagnetic quantized Hall state is crossed. A huge resonant enhancement replaces the strongly suppressed equilibrium tunneling characteristic of weakly coupled layers. The possible relationship of this enhancement to the Goldstone mode of the broken symmetry ground state is discussed.
| Item Type: | Article | |||||||||
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| Alternate Title: | Evidence for a Goldstone Mode in a Double Layer Quantum Hall System | |||||||||
| Additional Information: | © 2000 The American Physical Society. Received 16 February 2000. We are indebted to A. H. MacDonald, S. M. Girvin, and A. C. Gossard for numerous useful discussions, and to the NSF for Grant No. DMR9700945 and the DOE for Grant No. DE-FG03-99ER45766. One of us (I.B.S.) acknowledges support from the Department of Defense. | |||||||||
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| Record Number: | CaltechAUTHORS:SPIprl00 | |||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:SPIprl00 | |||||||||
| Alternative URL: | http://dx.doi.org/10.1103/PhysRevLett.84.5808 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 5304 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Archive Administrator | |||||||||
| Deposited On: | 09 Oct 2006 | |||||||||
| Last Modified: | 24 May 2019 17:26 |
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