179 citations · 1.6k across the 46 of their papers we have counts for
26 papers · 1 filter
Cluster moves with an entropic reservoir accelerate low-temperature simulations of three-dimensional spin glasses
Claudio Chilin, Enzo Marinari, Víctor Martín-Mayor +3
We present an algorithm for the simulation of three-dimensional spin glasses deep in the low-temperature phase: Parallel Tempering enhanced with Houdayer moves and with an entropic…
On the true low-energy excitations of the three-dimensional spin glass
Claudio Chilin, Enzo Marinari, Víctor Martín-Mayor +3
We study the low-energy excitations of the three dimensional spin glass through a large-scale Monte Carlo simulation on lattices up to . We find smooth extrapolations down to…
Spin-glass dynamics: experiment, theory and simulation
E. D. Dahlberg, I. González-Adalid Pemartín, E. Marinari +8
The study of spin-glass dynamics, long considered the paradigmatic complex system, has reached important milestones. The availability of single crystals has allowed the experimenta…
Quantifying memory in spin glasses
Janus Collaboration, I. Paga, J. He +24
Rejuvenation and memory, long considered the distinguishing features of spin glasses, have recently been proven to result from the growth of multiple length scales. This insight, e…
Multifractality in spin glasses
Janus Collaboration, M. Baity-Jesi, E. Calore +21
We unveil the multifractal behavior of Ising spin glasses in their low-temperature phase. Using the Janus II custom-built supercomputer, the spin-glass correlation function is stud…
Memory and rejuvenation in spin glasses: aging systems are ruled by more than one length scale
Janus Collaboration, M. Baity-Jesi, E. Calore +22
Memory and rejuvenation effects in the magnetic response of off-equilibrium spin glasses have been widely regarded as the doorway into the experimental exploration of ultrametricit…
On the superposition principle and non-linear response in spin glasses
I. Paga, Q. Zhai, M. Baity-Jesi +25
The extended principle of superposition has been a touchstone of spin glass dynamics for almost thirty years. The Uppsala group has demonstrated its validity for the metallic spin…
Temperature chaos is present in off-equilibrium spin-glass dynamics
Janus Collaboration, M. Baity-Jesi, E. Calore +22
We find a dynamic effect in the non-equilibrium dynamics of a spin glass that closely parallels equilibrium temperature chaos. This effect, that we name dynamic temperature chaos,…
The Mpemba effect in spin glasses is a persistent memory effect
Janus collaboration, M. Baity-Jesi, E. Calore +21
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…
Aging rate of spin glasses from simulations matches experiments
Janus Collaboration, M. Baity-Jesi, E. Calore +20
Experiments on spin glasses can now make precise measurements of the exponent governing the growth of glassy domains, while our computational capabilities allow us to make q…
Matching microscopic and macroscopic responses in glasses
Janus Collaboration, M. Baity-Jesi, E. Calore +20
We first reproduce on the Janus and Janus II computers a milestone experiment that measures the spin-glass coherence length through the lowering of free-energy barriers induced by…
A statics-dynamics equivalence through the fluctuation-dissipation ratio provides a window into the spin-glass phase from nonequilibrium measurements
Janus Collaboration, M. Baity-Jesi, E. Calore +20
The unifying feature of glass formers (such as polymers, supercooled liquids, colloids, granulars, spin glasses, superconductors, ...) is a sluggish dynamics at low temperatures. I…
Temperature chaos is a non-local effect
L. A. Fernandez, E. Marinari, V. Martin-Mayor +2
Temperature chaos plays a role in important effects, like for example memory and rejuvenation, in spin glasses, colloids, polymers. We numerically investigate temperature chaos in…
Explicit generation of the branching tree of states in spin glasses
G. Parisi, F. Ricci-Tersenghi, D. Yllanes
We present a numerical method to generate explicit realizations of the tree of states in mean-field spin glasses. The resulting study illuminates the physical meaning of the full r…
Critical parameters of the three-dimensional Ising spin glass
Janus Collaboration, M. Baity-Jesi, R. A. Baños +22
We 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 latt…
Numerical study of the overlap Lee-Yang singularities in the three-dimensional Edwards-Anderson model
R. A. Baños, J. M. Gil-Narvion, J. Monforte-Garcia +2
We have characterized numerically, using the Janus computer, the Lee-Yang complex singularities related to the overlap in the 3D Ising spin glass with binary couplings in a wide ra…
Comment on "Evidence of Non-Mean-Field-Like Low-Temperature Behavior in the Edwards-Anderson Spin-Glass Model"
A. Billoire, L. A. Fernandez, A. Maiorano +6
A recent interesting paper [Yucesoy et al. Phys. Rev. Lett. 109, 177204 (2012), arXiv:1206:0783] compares the low-temperature phase of the 3D Edwards-Anderson (EA) model to its mea…
Thermodynamic glass transition in a spin glass without time-reversal symmetry
Janus Collaboration, R. A. Baños, A. Cruz +20
Spin glasses are a longstanding model for the sluggish dynamics that appears at the glass transition. However, spin glasses differ from structural glasses for a crucial feature: th…
Rugged free-energy landscapes in disordered spin systems
D. Yllanes
This thesis is an attempt to provide a new outlook on complex systems, as well as some physical answers for certain models, taking a computational approach. We have focused on diso…
Finite-size scaling analysis of the distributions of pseudo-critical temperatures in spin glasses
A. Billoire, L. A. Fernandez, A. Maiorano +3
Using the results of large scale numerical simulations we study the probability distribution of the pseudo critical temperature for the three-dimensional Edwards-Anderson Ising spi…
Sample-to-sample fluctuations of the overlap distributions in the three-dimensional Edwards-Anderson spin glass
The Janus Collaboration, R. Alvarez Baños, A. Cruz +21
We study the sample-to-sample fluctuations of the overlap probability densities from large-scale equilibrium simulations of the three-dimensional Edwards-Anderson spin glass below…
Comprehensive study of the critical behavior in the diluted antiferromagnet in a field
L. A. Fernandez, V. Martin-Mayor, D. Yllanes
We study the critical behavior of the Diluted Antiferromagnet in a Field with the Tethered Monte Carlo formalism. We compute the critical exponents (including the elusive hyperscal…
Critical Behavior of Three-Dimensional Disordered Potts Models with Many States
R. Alvarez Banos, A. Cruz, L. A. Fernandez +18
We study the 3D Disordered Potts Model with p=5 and p=6. Our numerical simulations (that severely slow down for increasing p) detect a very clear spin glass phase transition. We ev…
The Spin Glass Phase in the Four-State, Three-Dimensional Potts Model
A. Cruz, L. A. Fernandez, A. Gordillo-Guerrero +17
We perform numerical simulations, including parallel tempering, on the Potts glass model with binary random quenched couplings using the JANUS application-oriented computer. We fin…