Are the string and Einstein frames equivalent?

被引:20
作者
Alvarez, E [1 ]
Conde, J [1 ]
机构
[1] Univ Autonoma Madrid, Inst Fis Teor, C XVI, E-28049 Madrid, Spain
关键词
fundamental strings; cosmology;
D O I
10.1142/S0217732302006606
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The low energy physics as predicted by strings can be expressed in two (conformally related) different variables, usually called frames. The problem is raised as to whether it is physically possible in some situations to differentiate one from the other.
引用
收藏
页码:413 / 420
页数:8
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