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Coulomb drag in the extreme quantum limit

Lilly, M. P. and Eisenstein, J. P. and Pfeiffer, L. N. and West, K. W. (1998) Coulomb drag in the extreme quantum limit. Physical Review Letters, 80 (8). pp. 1714-1717. ISSN 0031-9007. doi:10.1103/PhysRevLett.80.1714.

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Coulomb drag resulting from interlayer electron-electron scattering in double layer 2D electron systems in a high magnetic field has been measured. Within the lowest Landau level the observed drag resistance exceeds its zero magnetic value by factors of typically 1000. At half-filling of the lowest Landau level in each layer (ν = 1/2) the data suggest that our bilayer systems are much more strongly correlated than recent theoretical models based on perturbatively coupled composite fermion metals.

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Additional Information:©1998 The American Physical Society. Received 18 September 1997. We gratefully acknowledge useful discussions with N. Bonesteel, W. Dietsche, S.M. Girvin, B.I. Halperin, Y.B. Kim, A.H. MacDonald, K. Yang, and especially A. Stern and the superb technical assistance of S. Stryker. This work is supported by the NFS, under Grant No. DMR-9700945. One of us (J.P.E.) is also indebted to Bell Laboratories, Lucent Technologies, for supporting the initial stages of this work.
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Issue or Number:8
Record Number:CaltechAUTHORS:LILprl98
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4539
Deposited By: Tony Diaz
Deposited On:28 Aug 2006
Last Modified:08 Nov 2021 20:18

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