Stringy NJL and Gross-Neveu models at finite density and temperature

被引：39

作者：

Davis, Joshua L. ^{[1
]}

Gutperle, Michael

Kraus, Per

机构：

[1] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[2] Arnold Sommerfeld Ctr Theoret Phys, D-80333 Munich, Germany

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2007年 / 10期

关键词：

brane dynamics in gauge theories; gauge-gravity correspondence;

D O I：

10.1088/1126-6708/2007/10/049

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：

Non local stringy versions of the Nambu-Jona-Lasinio and Gross-Neveu models arise in a certain limit of holographic QCD.We analyze the phase structure at finite density and temperature at strong coupling in terms of probe branes in the gravity dual. Comparison with the phase structure of the local field theory models shows qualitative agreement with some aspects, and disagreement with others. Finally, we explain how to construct the Landau potentials for these models by taking the probe branes off-shell.

引用

页数：32

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