Toward bound-state approach to strangeness in holographic QCD

被引：2
|
作者：
Ishii, Takaaki [1 ]
机构：
[1] RIKEN, Phys Math Lab, Nishina Ctr, Wako, Saitama 3510198, Japan
来源：
PHYSICS LETTERS B | 2011年 / 695卷 / 1-4期
关键词：
Gauge/gravity correspondence; Holographic QCD; BARYONS; SKYRMIONS;
D O I：
10.1016/j.physletb.2010.11.043
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
An approach to realize a hyperon as a bound-state of a two-flavor baryon and a kaon is considered in the context of the Sakai-Sugimoto model of holographic QCD, which approach has been known in the Skyrme model as the bound-state approach to strangeness. As a simple case of study, pseudo-scalar kaon is considered as fluctuation around a baryon. In this case, strongly-bound hyperon-states are absent, different from the case of the Skyrme model. Observed is a weak bound-state which would correspond to Lambda(1405). (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：392 / 396
页数：5
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