Dual symmetry and the vacuum energy
Abstract
A hidden symmetry for the scale factor of the k=0 Friedmann-Robertson-Walker model which is different from the known ones is presented herein. This exact symmetry implies a zero cosmological constant and can be interpreted as a string-type dual symmetry.
- Publication:
-
Physical Review D
- Pub Date:
- September 1999
- DOI:
- 10.1103/PhysRevD.60.067503
- arXiv:
- arXiv:hep-th/9807129
- Bibcode:
- 1999PhRvD..60f7503T
- Keywords:
-
- 04.20.Jb;
- 04.90.+e;
- 98.80.Hw;
- Exact solutions;
- Other topics in general relativity and gravitation;
- High Energy Physics - Theory
- E-Print:
- 7 pages, no figures, work sent to Class. Quantum Grav