RENORMALIZATION-GROUP APPROACH TO FIELD-THEORY AT FINITE-TEMPERATURE

被引：32
作者：
LIAO, SB
STRICKLAND, M
机构：
[1] Department of Physics, Duke University, Durham, NC 27708-0305
来源：
PHYSICAL REVIEW D | 1995年 / 52卷 / 06期
关键词：
D O I：
10.1103/PhysRevD.52.3653
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Scalar field theory at finite temperature is investigated via an improved renormalization group prescription which provides an effective resummation over all possible nonoverlapping higher loop graphs. Explicit analyses for the lambda phi(4) theory are performed in d = 4 Euclidean space for both low and high temperature limits. We generate a set of coupled equations for the mass parameter and the coupling constant from the renormalization group how equation. Dimensional reduction and symmetry restoration are also explored with our improved approach.
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页码：3653 / 3671
页数：19
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