Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2009-09-30
JHEP 1001:021,2010
Physics
High Energy Physics
High Energy Physics - Theory
1+22 pages, 3 figures. v2: minor corrections and improvements, matches published version
Scientific paper
10.1007/JHEP01(2010)021
Plasma balls and rings emerge as fluid holographic duals of black holes and black rings in the hydrodynamic/gravity correspondence for the Scherk-Schwarz AdS system. Recently, plasma balls spinning above a critical rotation were found to be unstable against m-lobed perturbations. In the phase diagram of stationary solutions the threshold of the instability signals a bifurcation to a new phase of non-axisymmetric configurations. We find explicitly this family of solutions and represent them in the phase diagram. We discuss the implications of our results for the gravitational system. Rotating non-axisymmetric black holes necessarily radiate gravitational waves. We thus emphasize that it would be important, albeit possibly out of present reach, to have a better understanding of the hydrodynamic description of gravitational waves and of the gravitational interaction between two bodies. We also argue that it might well be that a non-axisymmetric m-lobed instability is also present in Myers-Perry black holes for rotations below the recently found ultraspinning instability.
Cardoso Vitor
Dias Oscar J. C.
Rocha Jorge V.
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