Cosmological Implications of the String Theory Landscape

Journal Article · Tue Nov 28 04:00:00 EST 2006 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2409103· OSTI ID:20900781

Mersini-Houghton, L ^[1]

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1. Department of Physics and Astrononmy, UNC-Chapel Hill, NC, 27599-3255 (United States)

Progress in string theory has resulted in a whole landscape of vacua solutions.In this talk I explore the cosmological implications of the landscape, based on the dynamics of the wavefunction of the universe propagating on it. The landscape is taken as the phase space of the initial conditions since every of its vacua can potentially give rise to a universe. A superselection rule on the landscape phase space emerges when we include the backreaction of massive long wavelengths and the quantum dynamics of gtational and matter degrees of freedom. This rule selects only high energy patches which survive the collapse induced by the gravitational instability of massive perturbations.

• OSTI ID: 20900781
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 878; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COSMOLOGY
DEGREES OF FREEDOM
GRAVITATION
GRAVITATIONAL INSTABILITY
PHASE SPACE
STRING MODELS
SUPERSELECTION RULES
UNIVERSE
WAVE FUNCTIONS