Quantum broadening of k-strings from the AdS/CFT correspondence

被引：6
作者：
Armoni, Adi [1 ]
Ridgway, Jefferson M. [1 ]
机构：
[1] Swansea Univ, Dept Phys, Swansea SA2 8PP, W Glam, Wales
来源：
NUCLEAR PHYSICS B | 2008年 / 801卷 / 1-2期
基金：
英国科学技术设施理事会;
关键词：
D O I：
10.1016/j.nuclphysb.2008.04.022
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 the quantum broadening (width) of k-strings. We generalise an old result by Luscher, Monster and Weisz to the case of a k-string, by using the gauge/gravity correspondence. When the fundamental QCD-string is replaced by a bound state of k strings, the bound state is better described by a wrapped D-brane. We calculate the width of the k-string (the wrapped D-brane) in several AdS/CFT backgrounds by using a D-brane probe and find universally that omega(2)(k) = 1/2 pi sigma(k). (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：118 / 127
页数：10
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