Aging rate of spin glasses from simulations matches experiments



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Baity Jesi, Marco and Calore, E. and Cruz, A. and Fernández Pérez, Luis Antonio and Gil-Narvión,, J. M. and Gordillo-Guerrero, A. and Íñiguez, D. and Maiorano, A. and Marinari, E. and Martín Mayor, Víctor and Moreno-Gordo, J. and Muñoz Sudupe, Antonio and Navarro, D. and Parisi, G. and Pérez-Gaviro, S. and Ricci-Tersenghi, F. and Ruiz-Lorenzo, J. J. and Schifano, S. F. and Seoane, B. and Tarancón, A. and Tripiccione, R. and Yllanes, D. (2018) Aging rate of spin glasses from simulations matches experiments. Physical review letters, 120 (26). ISSN 0031-9007

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Experiments on spin glasses can now make precise measurements of the exponent zðTÞ governing the growth of glassy domains, while our computational capabilities allow us to make quantitative predictions for experimental scales. However, experimental and numerical values for zðTÞ have differed. We use new simulations on the Janus II computer to resolve this discrepancy, finding a time-dependent zðT; twÞ, which leads to the experimental value through mild extrapolations. Furthermore, theoretical insight is gained by studying a crossover between the T ¼ Tc and T ¼ 0 fixed points.

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© 2018 American Physical Society. We thank R. Orbach for encouraging discussions. This work was partially supported by Ministerio de Economía, Industria y Competitividad (MINECO) (Spain) through Grants No. FIS2013-42840-P, No. FIS2015-65078-C2, No. FIS2016-76359-P, and No. TEC2016-78358-R, by the Junta de Extremadura (Spain) through Grant No. GRU10158 (partially funded by FEDER) and by the DGA-FSE (Diputación General de Aragón—Fondo Social Europeo). This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (Grants No. 694925 and No. 723955—GlassUniversality). D. Y. acknowledges support by the Soft and Living Matter Program at Syracuse University.

Uncontrolled Keywords:Replica-symmetry-breaking; Monte-Carlo; Model; Dynamics; Janus; Timescales; System; Phase
Subjects:Sciences > Physics > Physics-Mathematical models
ID Code:49234
Deposited On:10 Oct 2018 09:55
Last Modified:18 Oct 2019 14:53

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