2011/07/31 by Anupam Mazumdar, S. Nadathur, Seshadri Nadathur
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmic microwave background #Cosmology and Gravitation Theories #Electroweak interaction #Electroweak scale #Gauge (firearms) #Inflation (cosmology) #Inflaton #Minimal Supersymmetric Standard Model #Non-Gaussianity #Observable #Particle physics #Particle physics theoretical and experimental studies #Physics #Physics beyond the Standard Model #Quantum mechanics #Standard Model (mathematical formulation) #Supersymmetry #Theoretical physics #Yukawa potential #astro-ph.CO #hep-ph
paper · pdf · doi:10.1103/physrevlett.108.111302
published as Phys.Rev.Lett.108:111302,2012 · 4 pages, no figures
arxiv created 2012/01/09 · openalex publication_date 2012/03/13 · arxiv updated 2012/03/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We provide a model in which both the inflaton and the curvaton are obtained from within the minimal supersymmetric standard model, with known gauge and Yukawa interactions. Since now both the inflaton and curvaton fields are successfully embedded within the same sector, their decay products thermalize very quickly before the electroweak scale. This results in two important features of the model: first, there will be no residual isocurvature perturbations, and second, observable non-Gaussianities can be generated with the non-Gaussianity parameter f(NL)~O(5-1000) being determined solely by the combination of weak-scale physics and the standard model Yukawa interactions.