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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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