Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series APC-TH
Subjects hep-th
Date Tuesday 25 September 2018
Time 14:00
Institute APC
Seminar Room 483 A - Malevitch
Speaker's Last Name Das
Speaker's First Name Suratna
Speaker's Email Address
Speaker's Institution IIT Kanpur
Title The `unitarity problem' of Higgs inflation in the light of collapse dynamics
Abstract Higgs Inflation is no doubt one of the most favoured models of inflation in present time. But the huge non- minimal coupling of the Higgs field with gravity required for the model to work often raises concern which is dubbed as the 'unitarity problem' of Higgs inflation. We will show that CSL-like collapse dynamics, otherwise applied to inflationary dynamics in order to explain the quantum-to-classical transition of primordial quantum modes, can bring down the value of non-minimal coupling considerably.
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