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

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

1998-01-17

arxiv.org/abs/hep-th/9801116v1

Fortsch.Phys.47:101-107,1999

Physics

High Energy Physics

High Energy Physics - Theory

6 pages, uses neuchatel.sty (included), contribution to proceedings of "Quantum Aspects of Gauge Theories, Supersymmetry and U

Scientific paper

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 of the black-hole ADM mass for ``fixed scalars'' which extremize the black-hole ``potential'' energy.

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