Efficient parallel tempering for first-order phase transitions

被引：19

作者：

Neuhaus, T. ^{[1
,2
]}

Magiera, M. P. ^{[3
]}

Hansmann, U. H. E. ^{[1
]}

机构：

[1] Forschungszentrum Julich, John Neumann Inst Comp, D-52425 Julich, Germany

[2] Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany

[3] Univ Duisburg Essen, Dept Phys Theoret Phys, D-47048 Duisburg, Germany

来源：

PHYSICAL REVIEW E | 2007年 / 76卷 / 04期

关键词：

D O I：

10.1103/PhysRevE.76.045701

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We present a Monte Carlo algorithm that facilitates efficient parallel tempering simulations of the density of states g(E). We show that the algorithm eliminates the supercritical slowing down in the case of the Q=20 and Q=256 Potts models in two dimensions, typical examples for systems with extreme first-order phase transitions. As recently predicted, and shown here, the microcanonical heat capacity along the calorimetric curve has negative values for finite systems.

引用

页数：4

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