On entropy function for supersymmetric black rings
نویسندگان
چکیده
منابع مشابه
Exact Microscopic Entropy of Non-Supersymmetric Extremal Black Rings
In this brief note we show that the horizon entropy of the largest known class of nonsupersymmetric extremal black rings, with up to six parameters, is exactly reproduced for all values of the ring radius using the same conformal field theory of the fourcharge four-dimensional black hole. A particularly simple case is a dipole black ring without any conserved charges. The mass gets renormalized...
متن کاملSupersymmetric black rings and three-charge supertubes
We present supergravity solutions for 1/8-supersymmetric black supertubes with three charges and three dipoles. Their reduction to five dimensions yields supersymmetric black rings with regular horizons and two independent angular momenta. The general solution contains seven independent parameters and provides the first example of non-uniqueness of supersymmetric black holes. In ten dimensions,...
متن کاملSupersymmetric 4D Rotating Black Holes from 5D Black Rings
We present supersymmetric solutions describing black holes with non-vanishing angular momentum in four dimensional asymptotically flat space. The solutions are obtained by Kaluza-Klein reduction of five-dimensional supersymmetric black rings wrapped on the fiber of a Taub-NUT space. We show that in the four-dimensional description the singularity of the nut can be hidden behind a regular black ...
متن کاملMultivalued Entropy of Supersymmetric Black Holes
The supersymmetric flow equations describing the flow of moduli from infinity to the black hole horizon, and vice versa, are derived in the five-dimensional theories where the moduli space of the very special geometry has disjoint branches. The multiple solutions are derived from the ‘off the horizon’ attractor equation. Within each branch, the black hole entropy, as usual, depends only on the ...
متن کاملEntropy of Thermally Excited Black Rings
A string theory description of near extremal black rings is proposed. The entropy is computed and the thermodynamic properties are derived for a large family of black rings that have not yet been constructed in supergravity. It is also argued that the most general black ring in N = 8 supergravity has 21 parameters up to duality.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2007
ISSN: 1029-8479
DOI: 10.1088/1126-6708/2007/04/027