Static and dynamical aspects of the metastable states of first order transition systems

被引：4

作者：

Nogawa, Tomoaki ^{[1
]}

Ito, Nobuyasu ^{[1
]}

Watanabe, Hiroshi ^{[2
]}

机构：

[1] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

[2] Univ Tokyo, Inst Solid State Phys, Tokyo 1138654, Japan

来源：

PROCEEDINGS OF THE 24TH WORKSHOP ON COMPUTER SIMULATION STUDIES IN CONDENSED MATTER PHYSICS (CSP2011) | 2011年 / 15卷

关键词：

first order transition; hysteresis; nucleation; EQUILIBRIUM DROPLETS; MONTE-CARLO; MODEL;

D O I：

10.1016/j.phpro.2011.06.003

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We numerically study the metastable states of the 2d Potts model. Both of equilibrium and relaxation properties are investigated focusing on the finite size effect. The former is investigated by finding the free energy extremal point by the Wang-Landau sampling and the latter is done by observing the Metropolis dynamics after sudden heating. It is explicitly shown that with increasing system size the equilibrium spinodal temperature approaches the bistable temperature in a power-law and the size-dependence of the nucleation dynamics agrees with it. In addition, we perform finite size scaling of the free energy landscape at the bistable point.

引用

页码：76 / 80

页数：5

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