Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-12-29
Physics
High Energy Physics
High Energy Physics - Theory
Scientific paper
To an outside observer, a black hole's event horizon appears to behave exactly like a dynamical fluid membrane. We extend this membrane paradigm to black holes in general $f(R)$ theories of gravity. We derive the stress tensor and various transport coefficients of the fluid and find that the membrane behaves as a non-Newtonian fluid except for the special case of Einstein gravity. Using Euclidean methods, we study the thermodynamics of the membrane. We speculate on what theories of gravity admit horizons with fluid properties.
Chatterjee Saugata
Parikh Maulik
Sarkar Sudipta
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