More on N=8 Attractors

Details More on N=8 Attractors More on N=8 Attractors

2009-04-28

arxiv.org/abs/0904.4506v2

Phys.Rev.D80:045020,2009

Physics

High Energy Physics

High Energy Physics - Theory

1+26 pages; v2: typos corrected, various formulae in Sect. 4 rewritten, matches published version

Scientific paper

10.1103/PhysRevD.80.045020

We examine few simple extremal black hole configurations of N=8, d=4 supergravity. We first elucidate the relation between the BPS Reissner-Nordstrom black hole and the non-BPS Kaluza-Klein dyonic black hole. Their classical entropy, given by the Bekenstein-Hawking formula, can be reproduced via the attractor mechanism by suitable choices of symplectic frame. Then, we display the embedding of the axion-dilaton black hole into N=8 supergravity.

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