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- University of ArizonaUS21 papers
- Center for Astrophysics Harvard & SmithsonianUS20 papers
- Centre National de la Recherche ScientifiqueFR20 papers
- Keele UniversityGB20 papers
- Los Alamos National LaboratoryUS18 papers
- University of California, BerkeleyUS18 papers
- University of VirginiaUS18 papers
- Space Telescope Science InstituteUS17 papers
- California Institute of TechnologyUS16 papers
- University of MinnesotaUS16 papers
- Argonne National LaboratoryUS15 papers
- Liverpool John Moores UniversityGB14 papers
5 papers · 2 filters
Warm DBI Inflation
Yi-Fu Cai, James B. Dent, Damien A. Easson
We propose a warm inflationary model in the context of relativistic D-brane inflation in a warped throat, which has Dirac-Born-Infeld (DBI) kinetic term and is coupled to radiation…
Inflation in Entropic Cosmology: Primordial Perturbations and non-Gaussianities
Yi-Fu Cai, Emmanuel N. Saridakis
We investigate thermal inflation in double-screen entropic cosmology. We find that its realization is general, resulting from the system evolution from non-equilibrium to equilibri…
Large Nonlocal Non-Gaussianity from a Curvaton Brane
Yi-Fu Cai, Yi Wang
We use a generalized delta N formalism to study the generation of the primordial curvature perturbation in the curvaton brane scenario inspired by stringy compactifications. We not…
The Big Bang and Inflation United by an Analytic Solution
Itzhak Bars, Shih-Hung Chen
Exact analytic solutions for a class of scalar-tensor gravity theories with a hyperbolic scalar potential are presented. Using an exact solution we have successfully constructed a…
Entropic Accelerating Universe
Damien A. Easson, Paul H. Frampton, George F. Smoot
To accommodate the observed accelerated expansion of the universe, one popular idea is to invoke a driving term in the Friedmann-Lemaitre equation of dark energy which must then co…