BOOSTING AWAY SINGULARITIES FROM CONFORMAL STRING BACKGROUNDS

被引：60
|
作者：
GASPERINI, M
MAHARANA, J
VENEZIANO, G
机构：
[1] INFN,SEZ TORINO,I-10125 TURIN,ITALY
[2] INST PHYS,BHUBANESWAR 751005,INDIA
[3] CERN,DIV THEORY,CH-1211 GENEVA 23,SWITZERLAND
来源：
PHYSICS LETTERS B | 1992年 / 296卷 / 1-2期
关键词：
D O I：
10.1016/0370-2693(92)90802-B
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Generalizing our previous work, we show how O(d, d) transformations can be used to "boost away" in new dimensions the physical singularities that occur generically in cosmological and/or black-hole conformal string backgrounds. As an example, we show how a recent model by Nappi and Witten can be made singularity-free via O(3, 3) boosts involving a fifth dimension.
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页码：51 / 57
页数：7
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