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arXiv 1004.2707hep-th
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AdS/CFT中Tisza-Landau模型的引力推导

A gravity derivation of the Tisza-Landau Model in AdS/CFT

Julian Sonner, Benjamin Withers

摘要:

在AdS/CFT中,我们导出了与具有有限超流密度的边界超流体对偶的完全反反应体解。该解决方案的非线性边界流体动力学描述所示的Tisza-Landau双流体模型的非耗散秩序的相对论版本。如前所述,相变可以是一阶和二阶的,但在强反反应的制度在低电荷q,我们发现,过渡仍然是二阶的超流密度的所有允许的分数。

英文摘要:

We derive the fully backreacted bulk solution dual to a boundary superfluid with finite supercurrent density in AdS/CFT. The non-linear boundary hydrodynamical description of this solution is shown to be governed by a relativistic version of the Tisza-Landau two-fluid model to non-dissipative order. As previously noted, the phase transition can be both first order and second order, but in the strongly-backreacted regime at low charge q we find that the transition remains second order for all allowed fractions of superfluid density.

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