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Abstracts
Guido D'Amico
Monodromy inflation at strong coupling: 4pi in the sky
We present a simple effective field theory formulation of a general family of single field flux monodromy models for which strong coupling effects at large field values can flatten the potential and activate operators with higher powers of derivatives. These models are radiatively and nonperturbatively stable and can easily sustain 60 efolds of inflation. The dynamics combines features of both large field chaotic inflation and kinflation, both of which can suppress the tensor amplitude. Reducing the tensorscalar ratio below the observational bound r < 0.1 while keeping the scalar spectral index within experimental bounds either yields equilateral nongaussianity of order 1, close to the current observational bounds, or ultimately gives very small r.


Organizer:
Institute of Physics Belgrade
(University of Belgrade)
Belgrade, Serbia
Coorganizers:
Mathematical Institute
(Serbian Academy of Sciences and Arts)
Belgrade, Serbia
and
Faculty of Mathematics
(University of Belgrade)
Belgrade, Serbia
Email: mphys9@ipb.ac.rs
