Black hole entropy reveals a twelfth dimension
- TH Division, CERN, CH-1211 Geneva 23 (Switzerland)
The Bekenstein-Hawking black hole entropy in string theory and its generalizations, as expressed in terms of charges that correspond to central extensions of the supersymmetry algebra, has more symmetries than U duality. It is invariant under transformations of the charges, involving a twelfth (or thirteenth) {open_quotes}dimension.{close_quotes} This is an indication that the secret theory behind string theory has a superalgebra involving Lorentz nonscalar extensions (that are not strictly central), as suggested in S theory, and which could be hidden in M or F theories. It is suggested that the idea of spacetime is broader than usual, and that a larger {open_quotes}spacetime{close_quotes} is partially present in black holes. {copyright} {ital 1997} {ital The American Physical Society}
- Research Organization:
- University of Southern California
- DOE Contract Number:
- FG03-84ER40168
- OSTI ID:
- 517013
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 6 Vol. 55; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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