Cosmological theories from SO(2,2)/SO(2)xSO(1,1)

被引：1
|
作者：
Zayas, LAP
机构：
来源：
PHYSICS LETTERS B | 1997年 / 398卷 / 3-4期
关键词：
cosmological string; WZW models; Conformal Field Theory;
D O I：
10.1016/S0370-2693(97)00248-7
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present the low energy content of gauged Wess-Zumino-Witten models based on the coset SO(2, 2)/SO(2) x SO(1, 1). The background represent a cosmological theory of a universe that initially expands anisotropically and finally reaches a static limit. Using heterotic coset model techniques we include two sets of electromagnetic fields. (C) 1997 Published by Elsevier Science B.V.
引用
收藏
页码：274 / 276
页数：3
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