Variational stochastic procedure for broken symmetry phase and fermionic fields

被引：1
|
作者：
Bérard, A [1 ]
Grandati, Y [1 ]
机构：
[1] Inst Phys, LPLI, F-57070 Metz, France
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 1999年 / 38卷 / 02期
关键词：
D O I：
10.1023/A:1026603223072
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Stochastic quantization of the O(N) phi(4)-field theory is studied in the broken symmetry phase by a variational approach. The resulting integral equation is solved analytically to any order in 1/N expansion. This method is adapted to fermionic models. In particular, an analytic fermionic toy model is introduced in D = 0 and we argue that the D-dimensional case is directly accessible in this way.
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收藏
页码：623 / 639
页数：17
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