6533b863fe1ef96bd12c7886
RESEARCH PRODUCT
Spiral Inflation with Coleman-Weinberg Potential
Wan-il ParkGabriela Barenboimsubject
PhysicsInflation (cosmology)Nuclear and High Energy PhysicsCosmology and Nongalactic Astrophysics (astro-ph.CO)Scale (ratio)010308 nuclear & particles physicsHigh Energy Physics::PhenomenologyFísicaFOS: Physical sciencesAstrophysics::Cosmology and Extragalactic AstrophysicsLambdaCoupling (probability)01 natural sciencesHigh Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)Quantum mechanicsQuartic function0103 physical sciencesColeman–Weinberg potentialGrand Unified TheorySymmetry breaking010306 general physicsMathematical physicsAstrophysics - Cosmology and Nongalactic Astrophysicsdescription
We apply the idea of spiral inflation to Coleman-Weinberg potential, and show that inflation matching well observations is allowed for a symmetry-breaking scale ranging from an intermediate scale to GUT scale even if the quartic coupling $\lambda$ is of $\mathcal{O}(0.1)$. The tensor-to-scalar ratio can be of $\mathcal{O}(0.01)$ in case of GUT scale symmetry-breaking.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2015-01-02 |