Screening mass squared in hot scalar theory to order g5 using effective field theory

被引：4

作者：

Andersen, JO ^{[1
]}

机构：

[1] Univ Oslo, Dept Phys, N-0316 Oslo, Norway

来源：

PHYSICAL REVIEW D | 1998年 / 57卷 / 08期

关键词：

D O I：

10.1103/PhysRevD.57.5004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study massless g(2) Phi(4) theory at high temperature and with a zero chemical potential. Using modern effective field theory methods, we derive the screening mass squared to order g(5). It is demonstrated that the result is renormalization group invariant to this order in the coupling constant. Renormalization group methods are used to sum up leading logarithms of g.

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页码：5004 / 5009

页数：6

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