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Quantum and classical glass transitions in LiHo_xY_(1−x)F_4

Ancona-Torres, C. and Silevitch, D. M. and Aeppli, G. and Rosenbaum, T. F. (2008) Quantum and classical glass transitions in LiHo_xY_(1−x)F_4. Physical Review Letters, 101 (5). Art. No. 057201. ISSN 0031-9007. doi:10.1103/PhysRevLett.101.057201.

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When performed in the proper low-field, low-frequency limits, measurements of the dynamics and the nonlinear susceptibility in the model Ising magnet in a transverse field LiHo_xY_(1−x)F_4 prove the existence of a spin-glass transition for x=0.167 and 0.198. The classical behavior tracks for the two concentrations, but the behavior in the quantum regime at large transverse fields differs because of the competing effects of quantum entanglement and random fields.

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Silevitch, D. M.0000-0002-6347-3513
Alternate Title:Quantum and classical glass transitions in LiHoxY1−xF4
Additional Information:© 2008 The American Physical Society. Received 14 January 2008; revised manuscript received 2 April 2008; published 30 July 2008. The work at the University of Chicago was supported by NSF MRSEC Grant No. DMR-0213745 and that at UCL by EPSRC Grant No. EP/D049717/1. D. M. S. acknowledges support from DOE BES Grant No. DE-FG02-99ER45789.
Funding AgencyGrant Number
EPSRC (UK)EP/D049717/1
Department of Energy (DOE)DE-FG02-99ER45789
Issue or Number:5
Classification Code:PACS numbers: 75.10.Nr, 75.50.Dd, 75.50.Lk
Record Number:CaltechAUTHORS:20140707-163026395
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46936
Deposited By: George Porter
Deposited On:11 Jul 2014 15:04
Last Modified:10 Nov 2021 17:31

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