EDITORIAL: Focus issue on string cosmology Focus issue on string cosmology

Details EDITORIAL: Focus issue on string cosmology Focus issue on string cosmology EDITORIAL: Focus issue on string cosmology Focus issue on string cosmology

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011cqgra..28t0301b&link_type=abstract

Classical and Quantum Gravity, Volume 28, Issue 20, pp. 200301 (2011).

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String cosmology is a grand opportunity. The field involves elements of a promising framework, string theory, that brings together gravity and quantum mechanics and attempts to unify all the interactions. Confirming the concepts of string theory is presently beyond the reach of ground-based laboratories but the heavens may provide a setting for testing the string theoretic framework. Specifically, as cosmology develops into a rigorous, data-driven scientific discipline, windows into earlier epochs and higher energies are becoming available. If string theory controlled the evolution of the very early universe it is conceivable that it might have left imprints that are still detectable today.
With this possibility in mind, this focus issue of Classical and Quantum Gravity appraises recent applications of string-theoretic and string-inspired ideas to the cosmos. The contents of this issue span the following areas:
(1) Inflationary scenarios within different kinds of string-theoretic sectors (C P Burgess and L McAllister; M Cicoli and F Quevedo)
(2) Alternatives to conventional inflation and dark matter/energy models with novel dynamics or matter content (J-L Lehners; M Trodden and K Hinterbichler)
(3) Cosmic scenarios arising from the landscape of string vacua (M Kleban; B Freivogel)
(4) Dynamical mechanisms determining the number of dimensions and resolving cosmic singularities (R H Brandenberger; B Craps and O Evnin)
(5) Possible subsequent consequences of an early stringy phase (E J Copeland, L Pogosian and T Vachaspati; A Mazumdar)
(6) Whether an observational `window' might be accessible (D J Mulryne and J Ward).
The articles in this issue also survey a number of potentially promising directions for the future.

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