[He-sem] Cosmology Seminar TODAY

[Andrei Khmelnitsky]

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COSMOLOGY SEMINAR
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THURSDAY, 25 MAY 2017, 16:30 p.m.
Euler Lecture Hall - ICTP Leonardo Bldg. 


Mehrdad MIRBABAYI
(ICTP)


"Productive interactions: heavy particles, gravitational waves and non-Gaussianity”

Abstract: I discuss the phenomenology of models of inflation with periodic particle production. Particle production occurs as the mass of heavy particles goes through non-adiabatic modulations as the inflaton field rolls. I show that this process can lead to significant emission of scalar and gravitational waves during inflation, with distinct observational signatures.


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