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GR: Fachverband Gravitation und Relativitätstheorie

GR 404: Schwarze Löcher

GR 404.3: Vortrag

Donnerstag, 8. März 2007, 15:45–16:00, KIP Kl. HS

Static and Rotating Nonuniform Black String Solutions — •Burkhard Kleihaus¹, Jutta Kunz¹, and Eugen Radu² — ¹University of Oldenburg, Germany — ²NUIM, Maynooth, Ireland

Static nonuniform black strings (NBS) arise in higher dimensional spacetimes with one compact extra dimension, when the trivially extended Tangherlini solutions become unstable. We show that the physical properties of the static NBS obtained in five and six spacetime dimensions show qualitative agreement. Our results offer further evidence that the corresponding black hole and the NBS branches merge at a topology changing transition. Rotating NBS are only obtained in six spacetime dimensions for the special case of two equal-magnitude angular momenta. We discuss how branches of rotating NBS arise at the instability point of the trivially extended Myers-Perry solutions and extend either to static NBS or are expected to merge with branches of rotating black holes.