R2 curvature-squared corrections on drag force

被引：44
|
作者：
Fadafan, Kazem Bitaghsir [1 ]
机构：
[1] Shahrood Univ Technol, Dept Phys, POB 3619995161, Shahrood, Iran
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2008年 / 12期
关键词：
Gauge-gravity correspondence; AdS-CFT Correspondence;
D O I：
10.1088/1126-6708/2008/12/051
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：
The effect of finite-coupling corrections to the drag force on a moving heavy quark in the Super Yang-Mills plasma is investigated. These corrections are related to curvature-squared corrections in the corresponding gravity dual. The results are compared with the dual gauge theory. It is shown that curvature-squared corrections affect the drag force. It is shown that corrections to the drag force depend on the velocity of the heavy quark. The diffusion coefficient of non-relativistic heavy quarks is calculated from the drag force. In addition, we also calculate the drag force on a moving heavy quark in the Gauss-Bonnet background.
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收藏
页数：13
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