Fate of classical tensor inhomogeneities in pre-big-bang string cosmology
Journal Article
·
· Physical Review D
In pre-big-bang string cosmology one uses a phase of dilaton-driven inflation to stretch an initial (microscopic) spatial patch to the (much larger) size of the big-bang fireball. We show that the dilaton-driven inflationary phase does not naturally iron out the initial classical tensor inhomogeneities unless the initial value of the string coupling is smaller than g{sub in}{approx}<10{sup -35}.
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40230587
- Journal Information:
- Physical Review D, Journal Name: Physical Review D Journal Issue: 4 Vol. 64; ISSN 0556-2821
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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