Segmented strings in AdS3

被引：13

作者：

Callebaut, Nele ^{[1
]}

Gubser, Steven S. ^{[1
]}

Samberg, Andreas ^{[2
,3
]}

Toldo, Chiara ^{[4
]}

机构：

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

[2] Heidelberg Univ, Inst Theoret Phys, D-69120 Heidelberg, Germany

[3] GSI Helmholtzzentrum Schwerionenforsch, Inst EMMI, ExtreMe Matter, D-64291 Darmstadt, Germany

[4] Columbia Univ, Dept Phys, New York, NY 10027 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2015年 / 11期

关键词：

Bosonic Strings; AdS-CFT Correspondence;

D O I：

10.1007/JHEP11(2015)110

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We study segmented strings in flat space and in AdS(3). In flat space, these well known classical motions describe strings which at any instant of time are piecewise linear. In AdS(3), the worldsheet is composed of faces each of which is a region bounded by null geodesics in an AdS(2) subspace of AdS(3). The time evolution can be described by specifying the null geodesic motion of kinks in the string at which two segments are joined. The outcome of collisions of kinks on the worldsheet can be worked out essentially using considerations of causality. We study several examples of closed segmented strings in AdS(3) and find an unexpected quasi-periodic behavior. We also work out a WKB analysis of quantum states of yo-yo strings in AdS(5) and find a logarithmic term reminiscent of the logarithmic twist of string states on the leading Regge trajectory.

引用

页码：1 / 29

页数：29

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