Strong Gravity News & Events

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Backreaction in warped compactifications of supersymmetric

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Speaker
Bert Janssen (Granada U.)
Event date
Venue
GAP room
Event type

Abstract: We discuss the importance backreaction in flux compactifications of 10-dimensional supergravity. We will review the ideas of flux compactifications and construct exact backreacted solutions, using the concrete example of supersymmetric domain wall in 7-dimensional gauged supergravity.

 

Superradiant instability of black holes immersed in a magnetic field

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Speaker
Richard Brito (CENTRA - IST)
Event date
Venue
GAP room
Event type

Abstract: Superradiance is a radiation enhancement process that involves dissipative systems. In General Relativity, black-hole superradiance is permitted by dissipation at the event horizon that allows for energy and angular momentum extraction from the vacuum, even at the classical level.

The Einstein-Yang-Mills anti-de Sitter menagerie

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Speaker
Elizabeth Winstanley (Sheffield U.)
Event date
Venue
GAP room
Event type

Abstract: Spherically symmetric black hole solutions of Einstein-Yang-Mills (EYM) theory have been studied for 25 years.  In the past 15 years there has been a particular focus on EYM black holes in anti-de Sitter space (adS) since, unlike the situation in asymptotically flat space, in adS stable hairy EYM black holes exist.