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History-dependent phenomena in the transverse Ising ferroglass: The free-energy landscape

Kao, Ying-Jer and Grest, G. S. and Levin, K. and Brooke, J. and Rosenbaum, T. F. and Aeppli, G. (2001) History-dependent phenomena in the transverse Ising ferroglass: The free-energy landscape. Physical Review B, 64 (6). Art. No. 060402. ISSN 0163-1829. doi:10.1103/PhysRevB.64.060402.

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In this paper we investigate the relationship between glassy and ferromagnetic phases in disordered Ising ferromagnets in the presence of transverse magnetic fields, Γ. Iterative mean-field simulations probe the free-energy landscape and suggest the existence of a glass transition as a function of Γ which is distinct from the Curie temperature. Experimental field-cooled and zero-field-cooled data on LiHo_xY_(1-x)F_4 provide support for our theoretical picture. Here as well we present a collection of theoretical predictions for future experiments.

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Additional Information:© 2001 The American Physical Society. Received 15 December 2000; published 3 July 2001. We thank Qimiao Si for useful conversations. The work at the University of Chicago was supported by the NSF-MRSEC, under Grant No. DMR-9808595. Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy under Contract DE-AC04-94AL85000.
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Department of Energy (DOE)DE-AC04-94AL85000
Issue or Number:6
Classification Code:PACS: 75.50.Lk, 73.43.Nq, 75.10.Nr
Record Number:CaltechAUTHORS:20140707-163030960
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46968
Deposited By: George Porter
Deposited On:09 Jul 2014 21:20
Last Modified:10 Nov 2021 17:32

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