E(7) Symmetric Area of the Black Hole Horizon
High Energy Physics - Theory
2009-12-30 v2
Abstract
Extreme black holes with 1/8 of unbroken N=8 supersymmetry are characterized by the non-vanishing area of the horizon. The central charge matrix has four generic eigenvalues. The area is proportional to the square root of the invariant quartic form of . It vanishes in all cases when 1/4 or 1/2 of supersymmetry is unbroken. The supergravity non-renormalization theorem for the area of the horizon in N=8 case protects the unique U-duality invariant.
Keywords
Cite
@article{arxiv.hep-th/9602014,
title = {E(7) Symmetric Area of the Black Hole Horizon},
author = {Renata Kallosh and Barak Kol},
journal= {arXiv preprint arXiv:hep-th/9602014},
year = {2009}
}
Comments
a reference added, misprints removed