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PENROSE INEQUALITIES AND THE STABILITY OF NON-UNIFORM BLACK STRINGS

17 October 2012

Time: 4:30pm
Venue: Maths 103
Series: The London Relativity and Cosmology Seminar
Speaker: Pau Figueras
Abstract: In this talk I will first review static black holes in Kaluza-Klein theory. It is well-known that within this theory there exist black strings which are non-uniform along the Kaluza-Klein circle. Using numerical methods, I will explain how to construct (for the first time) non-uniform black strings in D11D≥11, where D is the total number of spacetime dimensions. The stability of such black objects has not been discussed before. And in the last part of the talk I will explain how one can study the stability of non-uniform black strings using Penrose inequalities. This will lead to a new conjecture for the phase diagram of static Kaluza-Klein black holes.
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