Holographic hadrons in a confining finite density medium

被引:12
|
作者
Seo, Yunseok [1 ]
Shock, Jonathan P. [2 ,3 ]
Sin, Sang-Jin [4 ]
Zoakos, Dimitrios [2 ,3 ]
机构
[1] Sogang Univ, Ctr Quantum Spacetime, Seoul 121742, South Korea
[2] Univ Santiago de Compostela, Dept Fis Particulas, E-15782 Santiago De Compostela, Spain
[3] IGFAE, E-15782 Santiago De Compostela, Spain
[4] Hanyang Univ, Dept Phys, Seoul 133791, South Korea
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2010年 / 03期
基金
新加坡国家研究基金会;
关键词
Gauge-gravity correspondence; AdS-CFT Correspondence; CHIRAL-SYMMETRY BREAKING; FIELD-THEORIES; GAUGE-THEORIES; BARYONS; INSTANTONS; PHASE;
D O I
10.1007/JHEP03(2010)115
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 a sector of the hadron spectrum in the presence of finite baryon density. We use a non-supersymmetric gravity dual to a confining gauge theory which exhibits a running dilaton. The interaction of mesons with the finite density medium is encoded in the dual theory by a force balancing between flavor D7-branes and a baryon vertex provided by a wrapped D5-brane. When the current quark mass m(q) is sufficiently large, the meson mass reduces, exhibiting an interesting spectral flow as we increase the baryon density while it has a more complicated behaviour for very small mq.
引用
收藏
页数:32
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