Running spectral index from large-field inflation with modulations revisited
@article{Czerny2014RunningSI, title={Running spectral index from large-field inflation with modulations revisited}, author={Michael Czerny and Takeshi Kobayashi and Fuminobu Takahashi}, journal={Physics Letters B}, year={2014}, volume={735}, pages={176-180} }
44 Citations
Simple single field inflation models and the running of spectral index
- PhysicsScience China Physics, Mechanics & Astronomy
- 2014
The BICEP2 experiment confirms the existence of primordial gravitational wave with the tensor-to-scalar ratio r = 0 ruled out at 7σ level. The consistency of this large value of r with the Planck…
Simple single field inflation models and the running of spectral index
- Physics
- 2014
The BICEP2 experiment confirms the existence of primordial gravitational wave with the tensor-to-scalar ratio r = 0 ruled out at 7σ level. The consistency of this large value of r with the Planck…
Axion monodromy inflation with multi-natural modulations
- Physics
- 2014
We study parameter space in the axion monodromy inflation corrected by dynamically generated terms involving with the axion. The potential has the linear term with multiple sinusoidal functions,…
Beginning of Universe through large field hybrid inflation
- Physics
- 2015
Recent detection of B-mode polarization induced from tensor perturbations by the BICEP2 experiment implies the so-called large field inflation, where an inflaton field takes super-Planckian…
Natural inflation with and without modulations in type IIB string theory
- Physics
- 2014
A bstractWe propose a mechanism for the natural inflation with and without modulation in the framework of type IIB string theory on toroidal orientifold or orbifold. We explicitly construct the…
Ambiguity in running spectral index with an extra light field during inflation
- Physics
- 2015
At the beginning of inflation there could be extra dynamical scalar fields that will soon disappear (become static) before the end of inflation. In the light of multi-field inflation, those extra…
Multi-natural inflation in supergravity
- Physics
- 2014
A bstractWe show that the recently proposed multi-natural inflation can be realized within the framework of 4D $ \mathcal{N} $ = 1 supergravity. The inflaton potential mainly consists of two…
Quartic potential inspired warm standard and tachyon scalar fields brane-world inflation
- Computer Science
- 2017
It is observed that the ranges of the results of tensor-to-scalar ratio, scalar spectral index and running of spectral favor observational data like BICEP2, WMAP9 and Planck.
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