Surface transport in plasma-balls

Abstract

We study the surface transport properties of stationary localized configurations of relativistic fluids to the first two non-trivial orders in a derivative expansion. By demanding that these finite lumps of relativistic fluid are described by a thermal partition function with arbitrary stationary background metric and gauge fields, we are able to find several constraints among surface transport coefficients. At leading order, besides recovering the surface thermodynamics, we obtain a generalization of the Young-Laplace equation for relativistic fluid surfaces, by considering a temperature dependence in the surface tension, which is further generalized in the context of superfluids. At the next order, for uncharged fluids in 3+1 dimensions, we show that besides the 3 independent bulk transport coefficients previously known, a generic localized configuration is characterized by 3 additional surface transport coefficients, one of which may be identified with the surface modulus of rigidity. Finally, as an application, we study the effect of temperature dependence of surface tension on some explicit examples of localized fluid configurations, which are dual to certain non-trivial black hole solutions via the AdS/CFT correspondence.

v2: 37+1pp, 3 figures, typos fixed, added new appendix with orthogonal-Landau-frame, published in JHEP

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• Nonlinear Fluid Dynamics from Gravity
• The Fluid Manifesto: Emergent symmetries, hydrodynamics, and black holes
• Black Holes as Lumps of Fluid
• The eightfold way to dissipation
• Topological sigma models & dissipative hydrodynamics
• Entropy Current from Partition Function: One Example
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• Effective field theory of dissipative fluids
• Constraints on the effective fluid theory of stationary branes
• Thermodynamics of Plasmaballs and Plasmarings in 3+1 Dimensions
• Entropy current for non-relativistic fluid

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• Real-time Dynamics of Plasma Balls from Holography
• On actions for (entangling) surfaces and DCFTs
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• Measuring Oscillations with A Million Atmospheric Neutrinos
• Instabilities of Thin Black Rings: Closing the Gap
• A simple description of holographic domain walls in confining theories -- extended hydrodynamics