{"paper":{"title":"Curvaton Dynamics","arxiv_id":"hep-ph/0308015","primary_cat":"hep-ph","submitted_at":"2003-08-01T17:52:35+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13-20260917 on the question bank abstract-p1-20260923, exactly as returned. No sentence in this record was written by a language model.","schema":"pith.compiled-record/v0","status":"compiled","abstract":{"source":"arXiv listing abstract v1","sentences":[{"i":0,"p":1.0,"id":"s0","own":false,"role":"background","text":"In contrast to the inflaton's case, the curvature perturbations due to the curvaton field depend strongly on the evolution of the curvaton before its decay.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.1,"main_claim_p":0.05,"quantitative":false,"quantitative_p":0.42,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":1.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":1,"p":1.0,"id":"s1","own":true,"role":"contribution","text":"We study in detail the dynamics of the curvaton evolution during and after inflation.","hedge":{"p":0.88,"label":"asserted"},"own_p":0.94,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.03,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":1.0,"interpretation":0.0}},{"i":2,"p":0.54,"id":"s2","own":false,"role":"contribution","text":"We consider that the flatness of the curvaton potential may be affected by supergravity corrections, which introduce an effective mass proportional to the Hubble parameter.","hedge":{"p":1.0,"label":"hedged_possibility"},"own_p":0.26,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.06,"role_probabilities":{"gap":0.0,"method":0.38,"result":0.0,"background":0.08,"limitation":0.0,"future_work":0.0,"contribution":0.54,"interpretation":0.0}},{"i":3,"p":0.51,"id":"s3","own":false,"role":"contribution","text":"We also consider that the curvaton potential may be dominated by a quartic or by a non-renormalizable term.","hedge":{"p":1.0,"label":"hedged_possibility"},"own_p":0.41,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.47,"result":0.0,"background":0.02,"limitation":0.0,"future_work":0.0,"contribution":0.51,"interpretation":0.0}},{"i":4,"p":0.72,"id":"s4","own":true,"role":"contribution","text":"We find analytic solutions for the curvaton's evolution for all these possibilities.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.08,"quantitative":false,"quantitative_p":0.05,"role_probabilities":{"gap":0.0,"method":0.11,"result":0.17,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.72,"interpretation":0.0}},{"i":5,"p":1.0,"id":"s5","own":true,"role":"result","text":"In particular, we show that, in all the above cases, the curvaton's density ratio with respect to the background density of the Universe decreases.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.27,"quantitative":false,"quantitative_p":0.42,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":6,"p":0.74,"id":"s6","own":true,"role":"interpretation","text":"Therefore, it is necessary that the curvaton decays only after its potential becomes dominated by the quadratic term, which results in (Hubble damped) sinusoidal oscillations.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.75,"main_claim_p":0.42,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.26,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.74}},{"i":7,"p":0.99,"id":"s7","own":true,"role":"result","text":"In the case when a non-renormalizable term dominates the potential, we find a possible non-oscillatory attractor solution that threatens to erase the curvature perturbation spectrum.","hedge":{"p":0.71,"label":"hedged_possibility"},"own_p":0.94,"main_claim_p":0.09,"quantitative":false,"quantitative_p":0.06,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.99,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.01}},{"i":8,"p":0.51,"id":"s8","own":true,"role":"result","text":"Finally, we study the effects of thermal corrections to the curvaton's potential and show that, if they ever dominate the effective mass, they lead to premature thermalization of the curvaton condensate.","hedge":{"p":0.91,"label":"asserted"},"own_p":0.92,"main_claim_p":0.06,"quantitative":false,"quantitative_p":0.1,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.51,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.49,"interpretation":0.0}},{"i":9,"p":0.69,"id":"s9","own":true,"role":"interpretation","text":"To avoid this danger, a stringent bound has to be imposed on the coupling of the 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