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Dual Space-Time and Nonsingular String Cosmology
- Source :
- Phys. Rev. D 98, 063521 (2018)
- Publication Year :
- 2018
-
Abstract
- Making use of the T-duality symmetry of superstring theory, and of the double geometry from Double Field Theory, we argue that cosmological singularities of a homogeneous and isotropic universe disappear. In fact, an apparent big bang singularity in Einstein gravity corresponds to a universe expanding to infinite size in the dual dimensions.<br />Comment: 7 pages, 3 figures. arXiv admin note: text overlap with arXiv:1710.02412
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. D 98, 063521 (2018)
- Publication Type :
- Report
- Accession number :
- edsarx.1805.06321
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevD.98.063521