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arXiv 0809.4541hep-th
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从重力对偶出发的守恒流流体动力学

Hydrodynamics with conserved current from the gravity dual

Jin Hur, Kyung Kiu Kim, Sang-Jin Sin

摘要:

利用带电黑洞背景的规范/引力对偶性,我们确定了具有守恒流的流体动力学结构。结果表明,即使在边界处存在外电磁场的情况下,体爱因斯坦方程也等价于边界处的能量守恒动量张量守恒和电流守恒。因此,热导率和电导率的计算的基本理论的参数。我们发现,在洛仑兹数为$1/e^2$时,Wiedermann-Franz定律成立

英文摘要:

We determine the structure of the hydrodynamics with conserved current, using the gauge/gravity duality of charged black-hole background. It turns out that even in the presence of the external electromagnetic field at the boundary, bulk Einstein equation is equivalent to the boundary conservation of energy momentum tensor and that of current. As a consequence, the thermal conductivity and electric conductivity are calculated in terms of the parameters of the fundamental theory. We find that Wiedermann-Franz law hold with Lorentz number $1/e^2$

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