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Scaling Law describes the spin-glass response in theory, experiments, and simulations

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Paga, I and Fernández Pérez, Luis Antonio and González-Adalid Pemartín, Isidoro and Martín Mayor, Víctor and Muñoz Sudupe, Antonio and Seoane Bartolomé, Beatriz and otros, ... (2020) Scaling Law describes the spin-glass response in theory, experiments, and simulations. Physical review letters, 125 (23). ISSN 0031-9007

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Official URL: http://doi.org/10.1103/PhysRevLett.125.237202




Abstract

The correlation length xi, a key quantity in glassy dynamics, can now be precisely measured for spin glasses both in experiments and in simulations. However, known analysis methods lead to discrepancies either for large external fields or close to the glass temperature. We solve this problem by introducing a scaling law that takes into account both the magnetic field and the time-dependent spin-glass correlation length. The scaling law is successfully tested against experimental measurements in a CuMn single crystal and against large-scale simulations on the Janus II dedicated computer.


Item Type:Article
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© 2020 American Physical Society.
Artículo publicado por más de 10 autores.
We are grateful for helpful discussions with S. Swinnea about sample characterization. This work was partially supported by the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering, under Award No. DE-SC0013599, and Contract No. DE-AC02-07CH11358; by the Ministerio de Economia, Industria y Competitividad (MINECO, Spain), Agencia Estatal de Investigacion (AEI, Spain), and Fondo Europeo de Desarrollo Regional (FEDER, EU) through Grants No. FIS2016-76359-P, No. PID2019-103939RB-I00, No. PGC2018-094684-B-C21, and No. PGC2018-094684-B-C22; by the Junta de Extremadura (Spain) and Fondo Europeo de Desarrollo Regional (FEDER, EU) through Grants No. GRU18079 and No. IB15013. This project has also received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (Grant No. 694925-LotglasSy). D. Y. was supported by the Chan Zuckerberg Biohub and I. G. A. P. was supported by the Ministerio de Ciencia, Innovacion y Universidades (MCIU, Spain) through FPU Grant No. FPU18/02665. B. S. was supported by the Comunidad de Madrid and the Complutense University of Madrid (Spain) through the Atraccion de Talento program (Ref. 2019-T1/TIC-12776).

Uncontrolled Keywords:Physics, multidisciplinary.
Subjects:Sciences > Physics
ID Code:63518
Deposited On:21 Jan 2021 17:33
Last Modified:25 Mar 2021 12:32

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