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A Stringy Mechanism for A Small Cosmological Constant

Presented by: 
Y Sumitomo Hong Kong University of Science and Technology
Date: 
Tuesday 26th June 2012 - 14:00 to 14:15
Venue: 
INI Seminar Room 2
Abstract: 
We propose a simple stringy mechanism that prefers metastable vacua with a small cosmological constant. We argue the generic probability distribution for the metastable vacua which peaks with a divergent behavior at the zero value of cosmological constant. Then we illustrate this in a model of type IIB string theory, though the suppression in the model is modest.
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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons