ON THE TYPE OF THE TEMPERATURE PHASE TRANSITION IN O(N) MODELS

被引：0

作者：

Bordag, M. ^{[2
]}

Demchik, V. I. ^{[1
]}

Gulov, A. V. ^{[1
]}

Skalozub, V. V. ^{[1
]}

机构：

[1] Dnepropetrovsk Natl Univ, UA-49010 Dnepropetrovsk, Ukraine

[2] Univ Leipzig, Inst Theoret Phys, D-04109 Leipzig, Germany

来源：

PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY | 2012年 / 01期

关键词：

FIELD-THEORY;

D O I：

暂无

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The temperature induced phase transition is investigated in the O(N) models by using graphics processing units (GPU) for Monte Carlo simulations on a lattice. General purpose computing on GPU (GPGPU) technology allows to collect a huge amount of data that gives a possibility to investigate the type of the phase transition for a wide interval of coupling values. It is found that for the small values of gimel a weak-first-order phase transition happens. It converts into a second order phase transition with the increase of gimel. A comparison with analytic calculations in continuum field theory and lattice simulations obtained by other authors is given.

引用

页码：43 / 47

页数：5

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