Renormalization group flow with unstable particles

被引：9
|
作者：
Castro-Alvaredo, OA [1 ]
Fring, A
机构：
[1] Univ Santiago Compostela, Dept Fis Particulas, E-15706 Santiago, Spain
[2] Free Univ Berlin, Inst Theoret Phys, D-14195 Berlin, Germany
来源：
PHYSICAL REVIEW D | 2001年 / 63卷 / 02期
关键词：
D O I：
10.1103/PhysRevD.63.021701
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The renormalization group flow of an integral able two-dimensional quantum field theory which contains unstable particles is investigated. The analysis is carried out for the Virasoro central charge and the conformal dimensions as a function of the renormalization group flow parameter. This allows us to identify the corresponding conformal field theories together with their operator content when the unstable particles vanish from the particle spectrum. The specific model considered is the SU(3)(2)-homogeneous sine-Gordon model.
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页数：5
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