The Mpemba effect in spin glasses is a persistent memory effect

Baity-Jesi, M. ; Calore, E. ; Cruz, A. (Universidad de Zaragoza) ; Fernandez, L.A. ; Gil-Narvion, J.M. ; Gordillo-Guerrero, A. ; Iñiguez, D. (Universidad de Zaragoza) ; Lasanta, A. ; Maiorano, A. ; Marinari, E. ; Martin-Mayor, V. ; Moreno-Gordo, J. (Universidad de Zaragoza) ; Muñoz Sudupe, A. ; Navarro, D. (Universidad de Zaragoza) ; Parisi, G. ; Perez-Gaviro, S. (Universidad de Zaragoza) ; Ricci-Tersenghi, F. ; Ruiz-Lorenzo, J.J. ; Schifano, S.F. ; Seoane, B. ; Tarancon, A. (Universidad de Zaragoza) ; Tripiccione, R. ; Yllanes, D.

Resumen: The Mpemba effect occurs when a hot system cools faster than an initially colder one, when both are refrigerated in the same thermal reservoir. Using the custom-built supercomputer Janus II, we study the Mpemba effect in spin glasses and show that it is a nonequilibrium process, governed by the coherence length xi of the system. The effect occurs when the bath temperature lies in the glassy phase, but it is not necessary for the thermal protocol to cross the critical temperature. In fact, the Mpemba effect follows from a strong relationship between the internal energy and xi that turns out to be a sure-tell sign of being in the glassy phase. Thus, the Mpemba effect presents itself as an intriguing avenue for the experimental study of the coherence length in supercooled liquids and other glass formers.

Idioma: Inglés

DOI: 10.1073/pnas.1819803116

Año: 2019

Publicado en: Proceedings of the National Academy of Sciences of the United States of America 116, 31 (2019), 15350-15355
ISSN: 0027-8424

Factor impacto JCR: 9.412 (2019)

Categ. JCR: MULTIDISCIPLINARY SCIENCES rank: 7 / 70 = 0.1 (2019) - Q1 - T1

Factor impacto SCIMAGO: 5.165 - Multidisciplinary (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA/FSE
Financiación: info:eu-repo/grantAgreement/EC/H2020/694925/EU/Low Temperature Glassy Systems/LoTGlasSy
Financiación: info:eu-repo/grantAgreement/EC/H2020/723955/EU/Universal explanation of low-temperature glass anomalies/GlassUniversality
Financiación: info:eu-repo/grantAgreement/ES/MINECO/FIS2013-42840-P
Financiación: info:eu-repo/grantAgreement/ES/MINECO/FIS2015-65078-C2
Financiación: info:eu-repo/grantAgreement/ES/MINECO/FIS2016-76359-P
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MTM2014-56948-C2-2-P
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MTM2017-84446-C2-2-R
Financiación: info:eu-repo/grantAgreement/ES/MINECO/TEC2016-78358-R

Tipo y forma: Article (Published version)

Área (Departamento): Área Tecnología Electrónica (Dpto. Ingeniería Electrón.Com.)
Área (Departamento): Área Física Teórica (Dpto. Física Teórica)