对eta/s的量子修正
Quantum corrections to eta/s
摘要：
我们考虑修正的比例的剪切粘度的熵密度在强耦合nonabelian等离子体使用AdS/CFT对应。特别是，五形式RR通量，这在所有以前的计算中被忽略的高阶导数项，包括在内。这为著名的结果eta/s=1/4 π提供了第一个可靠的反t Hooft耦合中首阶修正的计算。计算颜色数量的逆幂中的领先校正。我们的结果对全息对偶中具有内流形L_pqr的双规范理论具有普遍意义。我们的分析意味着这些理论的热性质将不会受到五形式通量项在这个顺序。
英文摘要：
We consider corrections to the ratio of the shear viscosity to the entropy density in strongly coupled nonabelian plasmas using the AdS/CFT correspondence. In particular, higher derivative terms with the five-form RR flux, which have been ignored in all previous calculations, are included. This provides the first reliable calculation of the leading order correction in the inverse 't Hooft coupling to the celebrated result eta/s=1/4pi. The leading correction in inverse powers of the number of colours is computed. Our results hold very generally for quiver gauge theories with an internal manifold L_pqr in the holographic dual. Our analysis implies that the thermal properties of these theories will not be affected by the five-form flux terms at this order.
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