David Iñiguez

TL;DR: This paper provides a quantitative analysis of the structural and dynamical patterns emerging from the activity of an online social network around the ongoing May 15th (15M) movement in Spain, finding that the patterns characterizing the spreading dynamics are asymmetric, giving rise to a clear distinction between information sources and sinks.

TL;DR: In this article, a high-precision finite-size scaling study of the Ising spin glass was performed using the Janus dedicated computer, and the authors obtained Tc = 1.1019(29) for the critical temperature, ν = 2.562(42) for thermal exponent, η = −0.3900(36) for anomalous dimension, and ω = 1,12(10) for exponent of the leading corrections to scaling.

TL;DR: In this paper, the Mpemba effect in spin glasses was studied using the custom-built supercomputer Janus II and it was shown that it is a nonequilibrium process governed by the coherence length of the system.

TL;DR: Janus II, a new generation application-driven number cruncher optimized for Monte Carlo simulations of spin systems, builds upon and improves on the successful JANUS machine, which has been used for physics since 2008 and is still in operation today.

TL;DR: Evidence is shown for the presence of a phase transition in a four-dimensional spin glass in a field using massive numerical simulations carried out on the Janus special-purpose computer, and a new and powerful finite-size scaling method.