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Title: Kinetics of a vacancy-driven order-disorder transition in a two-dimensional binary alloy
Author: Vives i Santa-Eulàlia, Eduard
Planes Vila, Antoni
Keywords: Materials
Propietats magnètiques
Transformacions de fase (Física estadística)
Magnetic properties and materials
Materials science
Issue Date: 1992
Publisher: American Physical Society
Abstract: Domain growth in a two-dimensional quenched binary alloy which undergoes an order-disorder transition is studied. We have used Monte Carlo simulation of a nearest-neighbor antiferromagentic Ising model. The novelty is that the dynamics is introduced via a single vacancy that moves by jumping to nearest as well as next nearest neighbors. The excess energy decay and the scaling of the structure factor have been studied. An algebraic behavior R(t)∝ t x with x=0.77±0.03 is found. This dynamics can be used to accelerate equilibrium Monte Carlo simulations.
Note: Reproducció digital del document publicat en format paper, proporcionada per APS i
It is part of: Physical Review Letters, 1992, vol. 68, núm. 6, p. 812-816
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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