Central charges, black-hole entropy and geometrical structure of N-extended supergravities in D = 4

Authors
Andrianopoli, L
Citation
L. Andrianopoli, Central charges, black-hole entropy and geometrical structure of N-extended supergravities in D = 4, FORTSCHR PH, 47(1-3), 1999, pp. 101-107
Citations number
47
Categorie Soggetti
Physics
Journal title
FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS
ISSN journal
00158208 → ACNP
Volume
47
Issue
1-3
Year of publication
1999
Pages
101 - 107
Database
ISI
SICI code
0015-8208(1999)47:1-3<101:CCBEAG>2.0.ZU;2-T
Abstract
The derivation of absolute (moduli-independent) U-invariants for all N > 2 extended supergravities at D = 4 in terms of (moduli-dependent) central and matter charges is reported. These invariants give a general definition of the "topological" Bekenstein- Hawking entropy formula for extremal black-holes and reduce to the square o f the black-hole ADM mass for "fixed scalars" which extremize the black-hol e "potential" energy.