Integrability in N=4 super Yang-Mills theory

被引：0
|
作者：
Eden, B. [1 ]
机构：
[1] Univ Utrecht, ITF & Spinoza Inst, NL-3584 CE Utrecht, Netherlands
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2008年 / 183卷
关键词：
D O I：
10.1016/j.nuclphysbps.2008.09.092
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 use the Bethe ansatz to calculate the cusp anomalous dimension in planar N = 4 super Yang-Mills theory as an exact function of the coupling constant. The calculation allows us to fix the remaining ambiguities in the integrable system describing the spectrum of operators/string energy levels in the AdS/CFT correspondence. The cusp anomalous dimension is not affected by finite size effects, which in general remain ill-understood. We suggest a method for computing the lowest example of an anomalous dimension modified by such corrections.
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页码：116 / 121
页数：6
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