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oai:recercat.cat:2445/97472025-12-05T16:54:40Zcom_2072_1057col_2072_478823col_2072_478917

n=1/4 domain-growth universality class: Crossover to the n=1/2 class Castán i Vidal, Maria Teresa Lindgård, Per-Anker Física de l'estat sòlid Mecànica estadística Solid state physics Statistical mechanics The kinetic domain-growth exponent is studied by Monte Carlo simulation as a function of temperature for a nonconserved order-parameter model. In the limit of zero temperature, the model belongs to the n=(1/4 slow-growth unversality class. This is indicative of a temporal pinning in the domain-boundary network of mixed-, zero-, and finite-curvature boundaries. At finite temperature the growth kinetics is found to cross over to the Allen-Cahn exponent n=(1/2. We obtain that the pinning time of the zero-curvature boundary decreases rapidly with increasing temperature. 2009-10-21T09:16:36Z 2009-10-21T09:16:36Z 1990 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 0163-1829 https://hdl.handle.net/2445/9747 35439 eng Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.41.2534 Physical Review B, 1990, vol. 41, núm. 4, p. 2534-2536. http://dx.doi.org/10.1103/PhysRevB.41.2534 (c) The American Physical Society, 1990 info:eu-repo/semantics/openAccess 4 p. application/pdf The American Physical Society Articles publicats en revistes (Física Quàntica i Astrofísica)