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Your search keyword '"Perez-Gaviro, Sergio"' showing total 2 results
Start Over Author "Perez-Gaviro, Sergio" Topic critical temperature
2 results on '"Perez-Gaviro, Sergio"'

1. Thermodynamic glass transition in a spin glass without time-reversal symmetry

Author

Baños, Raquel Alvarez, Cruz, Andres, Fernandez, Luis Antonio, Gil-Narvion, Jose Miguel, Gordillo-Guerrero, Antonio, Guidetti, Marco, Iñiguez, David, Maiorano, Andrea, Marinari, Enzo, Martin-Mayor, Victor, Monforte-Garcia, Jorge, Sudupe, Antonio Muñoz, Navarro, Denis, Parisi, Giorgio, Perez-Gaviro, Sergio, Ruiz-Lorenzo, Juan Jesus, Schifano, Sebastiano Fabio, Seoane, Beatriz, Tarancon, Alfonso, Tellez, Pedro, Tripiccione, Raffaele, and Yllanes, David

Published
2012

2. The Mpemba effect in spin glasses is a persistent memory effect.

Author

Baity-Jesi, Marco, Calore, Enrico, Cruz, Andres, Fernandez, Luis Antonio, Gil-Narvión, José Miguel, Gordillo-Guerrero, Antonio, Iñiguez, David, Lasanta, Antonio, Maiorano, Andrea, Marinari, Enzo, Martin-Mayor, Victor, Moreno-Gordo, Javier, Muñoz Sudupe, Antonio, Navarro, Denis, Parisi, Giorgio, Perez-Gaviro, Sergio, Ricci-Tersenghi, Federico, Ruiz-Lorenzo, Juan Jesus, Fabio Schifano, Sebastiano, and Seoane, Beatriz

Subjects
SPIN glasses, SUPERCOOLED liquids, CRITICAL temperature, MEMORY
Abstract

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 ξ 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 ξ 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. [ABSTRACT FROM AUTHOR]

Published
2019
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