Galois groups in rational conformal field theory II. The discriminant

被引：1
|
作者：
Gepner, Doron [1 ]
机构：
[1] Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel
来源：
PHYSICS LETTERS B | 2007年 / 654卷 / 3-4期
关键词：
D O I：
10.1016/j.physletb.2007.08.054
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We express the discriminant of the polynomial relations of the fusion ring, in any conformal field theory, as the product of the rows of the modular matrix to the power -2. The discriminant is shown to be an integer, always, which is a product of primes which divide the level. Detailed formulas for the discriminant are given for all WZW conformal field theories. (C) 2007 Elsevier B.V All rights reserved.
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页码：113 / 120
页数：8
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