Theoretical Particle Physics and Cosmology Seminar – Niels Bohr Institute - University of Copenhagen

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Niels Bohr Institute > Calendar > 2009 > Theoretical Particle P...

Theoretical Particle Physics and Cosmology Seminar

Charalampos Bogdanos (Orsay)

Title:  Birkhoff's theorem in six-dimensional Gauss-Bonnet theory


We discuss extensions of Birkhoff's theorem in the case of six-dimensional Gauss-Bonnet theory. Non-trivial constraints for the horizon geometry arise in this case, depending on the Weyl tensor of the internal space. We present exact solutions exhibiting staticity, even in the absence of spherical symmetry and give some examples of possible horizon geometries.