Stripe melting in a two-dimensional system with competing interactions

Stoycheva AD.; Singer SJ.

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Stripe melting in a two-dimensional system with competing interactions

机译：Stripe melting in a two-dimensional system with competing interactions

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摘要

A model with competing short-ranged attractions and long-ranged repulsions that describes self-organized patterns in systems like Langmuir monolayers, magnetic films, and adsorbed monolayers is studied using numerical simulations and analytic theory. Simulations provide strong evidence confirming that the stripe phase order is destroyed in a defect unbinding transition. Large scale computer simulations are in agreement with an analytic scaling theory, which also predicts an eventual crossover from defect-mediated stripe melting to a spin-disordering (or particle-mixing) mechanism with decreasing repulsion strength. References: 42

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《Physical review letters》 |2000年第20期|4657-4660|共4页
作者
Stoycheva AD.; Singer SJ.;
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作者单位

Ohio State Univ, Dept Chem, 120 W 18th Ave, Columbus, OH 43210, USA.;

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原文格式 PDF
正文语种英语
中图分类物理学;
关键词
Kosterlitz-thouless transition; Thin ferromagnetic film; Dipolar lattice gas; Phase-transitions; Domain-structures; Stress domains; Monolayers; Surface; Simulation; Model;

Stripe melting in a two-dimensional system with competing interactions

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