Moving quark in a general fluid dynamical flow

被引:9
|
作者
Abbasi, Navid [1 ,2 ]
Davody, Ali [2 ]
机构
[1] Sharif Univ Technol, Dept Phys, Tehran, Iran
[2] Inst Res Fundamental Sci IPM, Sch Particles & Accelerators, Tehran, Iran
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2013年 / 12期
关键词
AdS-CFT Correspondence; Holography and quark-gluon plasmas; Gauge-gravity correspondence;
D O I
10.1007/JHEP12(2013)026
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 determine the most general form of the covariant drag force exerted on a quark moving through a fluid dynamical flow. Up to first order in derivative expansion, our general formula requires the specification of seven coefficient functions. We use the perturbative method introduced in arXiv:1202.2737 and find all these coefficients in the hydrodynamic regime of a N = 4 SYM plasma. Having this general formula, we can obtain the rate of the energy and momentum loss of a quark, namely the drag force, in a general flow. This result makes it possible to perturbatively study the motion of heavy quarks moving through the Bjorken flow up to first order in derivative expansion.
引用
收藏
页数:26
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