Analytical solutions of exact renormalization group equations

被引:88
作者
Tetradis, N [1 ]
Litim, DF [1 ]
机构
[1] UNIV HEIDELBERG, INST THEORET PHYS, D-69120 HEIDELBERG, GERMANY
关键词
D O I
10.1016/0550-3213(95)00642-7
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 study exact renormalization group equations in the framework of the effective average action. We present analytical solutions for the scale dependence of the potential in a variety of models. These solutions display a rich spectrum of physical behaviour such as fixed points governing the universal behaviour near second-order phase transitions, critical exponents, first-order transitions (some of which are radiatively induced) and tricritical behaviour.
引用
收藏
页码:492 / 511
页数:20
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