Strong-coupling behavior of φ4 theories and critical exponents

被引：106
|
作者：
Kleinert, H [1 ]
机构：
[1] Free Univ Berlin, Inst Theoret Phys, D-14195 Berlin, Germany
来源：
PHYSICAL REVIEW D | 1998年 / 57卷 / 04期
关键词：
D O I：
10.1103/PhysRevD.57.2264
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We use the recently developed variational perturbation theory to continue the renormalization constants of three-dimensional phi(4) theories to the regime of strong bare coupling g(0). In this limit, they are found to behave as powers in go, thereby determining all critical exponents. Convergent strong-coupling expansions are found for all renormalization group functions which converge well even in the weak-coupling limit. [S0556-2821(98)04502-0].
引用
收藏
页码：2264 / 2278
页数：15
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