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Spin Transition in the Half-Filled Landau Level

Tracy, L. A. and Eisenstein, J. P. and Pfeiffer, L. N. and West, K. W. (2007) Spin Transition in the Half-Filled Landau Level. Physical Review Letters, 98 (8). Art. No. 086801. ISSN 0031-9007. doi:10.1103/PhysRevLett.98.086801.

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The transition from partial to complete spin polarization of two-dimensional electrons at half filling of the lowest Landau level has been studied using resistively detected nuclear magnetic resonance (RDNMR). The nuclear spin-lattice relaxation time is observed to be density independent in the partially polarized phase but to increase sharply at the transition to full polarization. At low temperatures the RDNMR signal exhibits a strong maximum near the critical density.

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Additional Information:© 2007 The American Physical Society. (Received 24 September 2006; published 22 February 2007) We acknowledge helpful conversations with N. Bonesteel, S. Das Sarma, G. Murthy, E. Rezayi, R. Shankar, S. Simon, and A. Stern. This work was supported by the DOE under Grant No. DE-FG03-99ER45766 and the NSF under Grant No. DMR-0552270.
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG03-99ER45766
Issue or Number:8
Record Number:CaltechAUTHORS:TRAprl07
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7528
Deposited By: Archive Administrator
Deposited On:01 Mar 2007
Last Modified:08 Nov 2021 20:43

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