Correlations of the distribution of spin states in spin crossover compounds

H Spiering, T Kohlhaas, H Romstedt, A Hauser… - Coordination chemistry …, 1999 - Elsevier
Short range correlations of the distribution of high spin (HS) and low spin (LS) states show
up in thermal spin transition curves, decay curves of the light induced metastable HS state …

Self-averaging, distribution of pseudocritical temperatures, and finite size scaling in critical disordered systems

S Wiseman, E Domany - Physical Review E, 1998 - APS
Abstract We evaluate by Monte Carlo simulations various singular thermodynamic quantities
X for ensembles of quenched random Ising and Ashkin-Teller models. The measurements …

Lack of self-averaging in critical disordered systems

S Wiseman, E Domany - Physical Review E, 1995 - APS
We consider the sample to sample fluctuations that occur in the value of a thermodynamic
quantity P in an ensemble of finite systems with quenched disorder, at equilibrium. The …

Finite-size scaling study of the surface and bulk critical behavior in the random-bond eight-state Potts model

C Chatelain, B Berche - Physical review letters, 1998 - APS
The self-dual random-bond eight-state Potts model is studied numerically through large-
scale Monte Carlo simulations using the Swendsen-Wang cluster flipping algorithm. We …

Short-time dynamics and critical behavior of the three-dimensional site-diluted Ising model

VV Prudnikov, PV Prudnikov, AS Krinitsyn… - Physical Review E …, 2010 - APS
Monte Carlo simulations of the short-time dynamic behavior are reported for three-
dimensional weakly site-diluted Ising model with spin concentrations p= 0.95 and 0.8 at …

Universality class of the two-dimensional site-diluted Ising model

PHL Martins, JA Plascak - Physical Review E—Statistical, Nonlinear, and Soft …, 2007 - APS
In this work, we evaluate the probability distribution function of the order parameter for the
two-dimensional site-diluted Ising model. Extensive Monte Carlo simulations have been …

Minimalist neural networks training for phase classification in diluted Ising models

GLG Pavioni, M Arlego, CA Lamas - Computational Materials Science, 2024 - Elsevier
In this article, we explore the potential of artificial neural networks, which are trained using
an exceptionally simplified catalog of ideal configurations encompassing both order and …

Monte Carlo study of the critical behavior of random bond Potts models

T Olson, AP Young - Physical Review B, 1999 - APS
We present results of Monte Carlo simulations of random bond Potts models in two
dimensions, for different numbers of Potts states q. We introduce a simple scheme which …

Critical behavior of the two-dimensional spin-diluted Ising model via the equilibrium ensemble approach

G Mazzeo, R Kühn - Physical Review E, 1999 - APS
The equilibrium ensemble approach to disordered systems is used to investigate the critical
behavior of the two-dimensional Ising model in the presence of quenched random site …

Magnetic critical behavior of two-dimensional random-bond Potts ferromagnets in confined geometries

C Chatelain, B Berche - Physical Review E, 1999 - APS
We present a numerical study of two-dimensional random-bond Potts ferromagnets. The
model is studied both below and above the critical value Q c= 4, which discriminates …