期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 6, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP06(2011)078
关键词
Black Holes in String Theory; Black Holes; Supergravity Models
资金
- ERC [226455]
- DOE [DE-FG03-91ER40662]
By exploiting the role of the horizontal symmetry SLh (2, R), we extend the analysis and classification of two-centered extremal black hole charge configurations to the case of small single-centered constituents. These latter are seen to decrease the number of independent horizontal-invariant polynomials from four to one, depending on the rank of the charge orbit supporting each of the two centers. Within U-duality groups of type E-7, both reducible and irreducible symmetric supergravity models in four space-time dimensions are considered, thus encompassing N = 2 and N = 8 theories.
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