Positronium-like states from supergravity

被引：0
|
作者：
Colgain, Eoin O. [1 ]
Yavartanoo, Hossein [1 ]
机构：
[1] Korea Inst Adv Study, Seoul 130722, South Korea
来源：
NUCLEAR PHYSICS B | 2009年 / 822卷 / 1-2期
关键词：
D O I：
10.1016/j.nuclphysb.2009.07.014
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 semi-classical rotating open strings ending on a probe Dp-brane close to it stack of extremal. non-extremal Dp-branes and Dp-branes with B-fields. These states may be interpreted as positronium-like bound states of spinning W-bosons in an SU(N + 1) -> SU(N) x U(1) theory. In each case, we describe the behaviour of the strings and examine the relation between the energy and the angular momentum of the bound state. (C) 2009 Elsevier B.V. All rights reserved.
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页码：219 / 229
页数：11
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