String production at the level of effective field theory

被引：30

作者：

Gubser, SS ^{[1
]}

机构：

[1] Princeton Univ, Joseph Henry Labs, Princeton, NJ 08544 USA

来源：

PHYSICAL REVIEW D | 2004年 / 69卷 / 12期

关键词：

D O I：

10.1103/PhysRevD.69.123507

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Pair creation of strings in time-dependent backgrounds is studied from an effective field theory viewpoint, and some possible cosmological applications are discussed. Simple estimates suggest that excited strings may have played a significant role in preheating, if the string tension as measured in the four-dimensional Einstein frame falls a couple of orders of magnitude below the four-dimensional Planck scale.

引用

页数：10

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