Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-05-18
Int.J.Mod.Phys.D17:505-511,2008
Physics
High Energy Physics
High Energy Physics - Theory
This essay received an honorable mention in the Gravity Research Foundation Essay Competition, 2007. v2: Published version
Scientific paper
10.1142/S0218271808012176
Several general arguments indicate that the event horizon behaves as a stretched membrane. We propose using this relation to understand gravity and dynamics of black objects in higher dimensions. We provide evidence that (i) the gravitational Gregory-Laflamme instability has a classical counterpart in the Rayleigh-Plateau instability of fluids. Each known feature of the gravitational instability can be accounted for in the fluid model. These features include threshold mode, dispersion relation, time evolution and critical dimension of certain phase transitions. Thus, we argue that black strings break in much the same way as water from a faucet breaks up into small droplets. (ii) General rotating black holes can also be understood with this analogy. In particular, instability and bifurcation diagrams for black objects can easily be inferred. This correspondence can and should be used as a guiding tool to understand and explore physics of gravity in higher dimensions.
Cardoso Vitor
Dias Oscar J. C.
Gualtieri Leonardo
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