Strings in flat space and pp waves from N = 4 super Yang Mills

被引：1504

作者：

Berenstein, D ^{[1
]}

Maldacena, J ^{[1
]}

Natase, H ^{[1
]}

机构：

[1] Inst Adv Study, Princeton, NJ 08540 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2002年 / 04期

关键词：

1/N expansion; penrose limit and pp-wave background; Ads-CFT and dS-CFT correspondence;

D O I：

10.1088/1126-6708/2002/04/013

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 explain how the string spectrum in flat space and pp-waves arises from the large-N limit, at fixed g(YM)(2), of U(N) N = 4 super Yang Mills. We reproduce the spectrum by summing a subset of the planar Feynman diagrams. We give a heuristic argument for why we can neglect other diagrams. We also discuss some other aspects of pp-waves and we present a matrix model associated to the DLCQ description of the maximally supersymmetric eleven dimensional pp-waves.

引用

页数：30

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