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Scaling configurations of cosmic superstring networks and their cosmological implications

Presented by: 
L Pogosian Simon Fraser University
Tuesday 4th December 2012 - 10:50 to 11:10
INI Seminar Room 1
Session Title: 
Topological evolution in gauge theories and cosmology
Session Chair: 
Tanmay Vachaspati
Cosmic superstring networks contain strings of multiple tensions and Y-junctions. Depending on the magnitude of the fundamental string coupling, the stress-energy power spectrum of the scaling network is dominated either by populous light F strings, or rare heavy D strings. It may be possible to distinguish between these two regimes with future observations of CMB polarization.
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons