1ST-ORDER MELTING TRANSITION OF THE HARD-DISK SYSTEM

被引：115

作者：

LEE, JY ^{[1
]}

STRANDBURG, KJ ^{[1
]}

机构：

[1] ARGONNE NATL LAB,DIV MAT SCI,ARGONNE,IL 60439

来源：

PHYSICAL REVIEW B | 1992年 / 46卷 / 17期

关键词：

D O I：

10.1103/PhysRevB.46.11190

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a very strong evidence for a first-order melting transition in the hard-disk system by exploiting the finite-size scaling of the bulk free-energy barrier. We use isobaric Monte Carlo simulations to allow fluctuations in the volume of the system, which lead, in the presence of a first-order transition, to a double-peaked structure in the volume distribution. We also find that the system melts directly from a two-dimensional solid with long-range orientational order to an isotropic liquid with no intervening hexatic phase.

引用

页码：11190 / 11193

页数：4

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