A membrane paradigm at large D

doi:10.1007/JHEP04(2016)076

A membrane paradigm at large D

2016-04-13

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Sayantani Bhattacharyya *

DOI：10.1007/JHEP04(2016)076

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We study SO(d + 1) invariant solutions of the classical vacuum Einstein equations in p + d + 3 dimensions. In the limit d -> infinity with p held fixed we construct a class of solutions labelled by the shape of a membrane (the event horizon), together with a 'velocity' field that lives on this membrane. We demonstrate that our metrics can be corrected to nonsingular solutions at first sub-leading order in 1/d if and only if the membrane shape and 'velocity' field obey equations of motion which we determine. These equations define a well posed initial value problem for the membrane shape and this 'velocity' and so completely determine the dynamics of the black hole. They may be viewed as governing the non-linear dynamics of the light quasi normal modes of Emparan, Suzuki and Tanabe.

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Black Holes

Classical Theories of Gravity

A membrane paradigm at large D

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