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Baity Jesi, Marco ; Calore, E. ; Cruz, A. ; Fernández Pérez, Luis Antonio ; Gil-Narvión,, J. M. ; Gordillo-Guerrero, A. ; Íñiguez, D. ; Maiorano, A. ; Marinari, E. ; Martín Mayor, Víctor ; Moreno-Gordo, J. ; Muñoz Sudupe, Antonio ; Navarro, D. ; Parisi, G. ; Pérez-Gaviro, S. ; Ricci-Tersenghi, F. ; Ruiz-Lorenzo, J. J. ; Schifano, S. F. ; Seoane, B. ; Tarancón, A. ; Tripiccione, R. ; Yllanes, D. | Amer Physical Soc | 2018-06-28Experiments 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, experimen[...]texto impreso
Baity Jesi, Marco ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio ; otros, ... | American Physical Society | 2013-12-20We report a high-precision finite-size scaling study of the critical behavior of the three-dimensional Ising Edwards-Anderson model (the Ising spin glass). We have thermalized lattices up to L = 40 using the Janus dedicated computer. Our analysi[...]texto impreso
Esta tesis tiene el objetivo de avanzar en la comprensión de la transición y la fase vítrea. Nos concentramos en un tipo de sistema vetroso en particular, los vidrios de espín. A pesar de que su modelización es muy sencilla, preguntas fundamenta[...]texto impreso
Baity Jesi, Marco ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio ; otros, ... | American Physical Society | 2014-03-31We study the off-equilibrium dynamics of the three dimensional Ising spin glass in the presence of an external magnetic field. We have performed simulations both at fixed temperature and with an annealing protocol. Thanks to the Janus special-pu[...]texto impreso
Baity Jesi, Marco ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio ; otros, ... | Elsevier Science Ltd | 2014-02This paper describes the architecture, the development and the implementation of Janus II, a new generation application-driven number cruncher optimized for Monte Carlo simulations of spin systems (mainly spin glasses). This domain of computatio[...]texto impreso
Baity Jesi, Marco ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Sanz, J.M. | American Physical Society | 2014-01-21We characterize the phase diagram of anisotropic Heisenberg spin glasses, finding both the spin and the chiral glass transition. We remark on the presence of strong finite-size effects in the chiral sector. On the spin glass sector, we find that[...]texto impreso
We study energy landscape and dynamics of the three-dimensional Heisenberg spin glass model in the paramagnetic phase, i.e. for temperature T larger than the critical temperature T-c. The landscape is non-trivially related to the equilibrium sta[...]texto impreso
Baity Jesi, Marco ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio ; otros, ... | Springer Heidelberg | 2012-08We describe Janus, a massively parallel FPGA-based computer optimized for the simulation of spin glasses, theoretical models for the behavior of glassy materials. FPGAs (as compared to GPUs or many-core processors) provide a complementary approa[...]texto impreso
Baity Jesi, Marco ; Martín Mayor, Víctor ; Parisi, G. ; Pérez Gaviro, S. | American Physical Society | 2015-12-23In the three-dimensional Heisenberg spin glass in a random field, we study the properties of the inherent structures that are obtained by an instantaneous cooling from infinite temperature. For a not too large field the density of states g(?) de[...]texto impreso
Baity Jesi, Marco ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio ; otros, ... | IOP Publishing | 2014-05-16We perform equilibrium parallel-tempering simulations of the 3D Ising Edwards-Anderson spin glass in a field, using the Janus computer. A traditional analysis shows no signs of a phase transition. Yet, we encounter dramatic fluctuations in the b[...]
