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.
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收藏
页码：43 / 47
页数：5
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