THE HIGH-TEMPERATURE PHASE-TRANSITION FOR PHI-4 THEORIES

被引:122
作者
TETRADIS, N
WETTERICH, C
机构
[1] Deutsches Elektronen-Synchroton DESY
关键词
D O I
10.1016/0550-3213(93)90608-R
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We investigate the temperature dependent effective potential for N-component phi4 theories with a new method based on averages of fields. The effective three-dimensional running of couplings at scales much below the temperature is described. We obtain a detailed quantitative picture of the second order phase transition, including the critical exponents for the behaviour in the vicinity of the critical temperature.
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收藏
页码:659 / 696
页数:38
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