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  Classical Inhomogeneities in String Cosmology

Buonanno, A., Meissner, K. A., Ungarelli, C., & Veneziano, G. (1998). Classical Inhomogeneities in String Cosmology. Physical Review D, 57, 2543-2556. doi:10.1103/PhysRevD.57.2543.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-BDE1-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-BDE4-0
Genre: Journal Article

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hep-th_9706221.pdf (Preprint), 287KB
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 Creators:
Buonanno, A.1, 2, 3, Author              
Meissner, K. A., Author
Ungarelli, C., Author
Veneziano, G., Author
Affiliations:
1Theory Division, CERN, escidoc:persistent22              
2Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, escidoc:persistent22              
3Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:1933290              

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Free keywords: High Energy Physics - Theory, hep-th,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We generalize previous work on inhomogeneous pre-big bang cosmology by including the effect of non-trivial moduli and antisymmetric-tensor/axion fields. The general quasi-homogeneous asymptotic solution---as one approaches the big bang singularity from perturbative initial data---is given and its range of validity is discussed, allowing us to give a general quantitative estimate of the amount of inflation obtained during the perturbative pre-big bang era. The question of determining early-time ``attractors'' for generic pre-big bang cosmologies is also addressed, and a motivated conjecture is advanced. We also discuss S-duality-related features of the solutions, and speculate on the way an asymptotic T-duality symmetry may act on moduli space as one approaches the big bang.

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 Dates: 1997-06-301997-07-241998
 Publication Status: Published in print
 Pages: 32 pages, Revtex, 1 figure included, epsfig.sty needed; one reference added
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: hep-th/9706221
DOI: 10.1103/PhysRevD.57.2543
URI: http://arxiv.org/abs/hep-th/9706221
 Degree: -

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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 57 Sequence Number: - Start / End Page: 2543 - 2556 Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258