92 citations · 686 across the 19 of their papers we have counts for
19 papers
Quartic inflation and radiative corrections with non-minimal coupling
Nilay Bostan, Vedat Nefer Şenoğuz
It is well known that the non-minimal coupling between the inflaton and the Ricci scalar affects predictions of single field inflation models. In particular, the qua…
Primordial monopoles, proton decay, gravity waves and GUT inflation
Vedat Nefer Şenoğuz, Qaisar Shafi
We consider non-supersymmetric GUT inflation models in which intermediate mass monopoles may survive inflation because of the restricted number of e-foldings experienced by the acc…
The Observational Status of Simple Inflationary Models: an Update
Nobuchika Okada, Vedat Nefer Şenoğuz, Qaisar Shafi
We provide an update on five relatively well motivated inflationary models in which the inflaton is a Standard Model singlet scalar field. These include i) the textbook quadratic a…
Mixed inflaton and curvaton scenario with sneutrinos
Vedat Nefer Şenoğuz
A variation of sneutrino inflation based on chi^2 potential is considered where the inflaton and the late-decaying field are sneutrinos of different generations. The lighter, late-…
Chaotic inflation, radiative corrections and precision cosmology
V. Nefer Senoguz, Qaisar Shafi
We employ chaotic (phi^2 and phi^4) inflation to illustrate the important role radiative corrections can play during the inflationary phase. Yukawa interactions of phi, in particul…
Unparticle physics with broken scale invariance
Vernon Barger, Yu Gao, Wai-Yee Keung +2
If scale invariance is exact, unparticles are unlikely to be probed in colliders since there are stringent constraints from astrophysics and cosmology. However these constraints ar…