852 citations · 16.2k across the 260 of their papers we have counts for
9 papers · 1 filter
Extreme gravitational waves from inflaton fragmentation
Anupam Mazumdar, Ian M. Shoemaker
Although inflationary models generically predict a flat spectrum of gravitational waves, we point out a general process that produces a sharply peaked spectrum of gravitational rad…
Inflation in string theory: a graceful exit to the real world
Michele Cicoli, Anupam Mazumdar
The most important criteria for a successful inflation are to explain the observed temperature anisotropy in the cosmic microwave background radiation, and exiting inflation in a v…
The TeV-mass curvaton
Kari Enqvist, Anupam Mazumdar, Olli Taanila
We consider the constraints for a curvaton with mass m ~ 1 TeV and show that they are not consistent with a purely quadratic potential. Even if the curvaton self-interactions were…
Reheating for Closed String Inflation
Michele Cicoli, Anupam Mazumdar
We point out some of the outstanding challenges for embedding inflationary cosmology within string theory studying the process of reheating for models where the inflaton is a close…
Towards a Resolution of the Cosmological Singularity in Non-local Higher Derivative Theories of Gravity
Tirthabir Biswas, Tomi Koivisto, Anupam Mazumdar
One of the greatest problems of standard cosmology is the Big Bang singularity. Previously it has been shown that non-local ghostfree higher-derivative modifications of Einstein gr…
Inflection point inflation within supersymmetry
Kari Enqvist, Anupam Mazumdar, Philip Stephens
We propose to address the fine tuning problem of inflection point inflation by the addition of extra vacuum energy that is present during inflation but disappears afterwards. We sh…