{"paper":{"title":"Evolution of fNL to the adiabatic limit","arxiv_id":"1106.2153","primary_cat":"astro-ph.CO","submitted_at":"2011-06-10T19:45:29+00:00","version_compiled":"v2"},"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 v2","sentences":[{"i":0,"p":0.81,"id":"s0","own":false,"role":"background","text":"We study inflationary perturbations in multiple-field models, for which zeta typically evolves until all isocurvature modes decay--the \"adiabatic limit\".","hedge":{"p":0.77,"label":"asserted"},"own_p":0.18,"main_claim_p":0.06,"quantitative":false,"quantitative_p":0.04,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.81,"limitation":0.0,"future_work":0.0,"contribution":0.19,"interpretation":0.0}},{"i":1,"p":0.43,"id":"s1","own":true,"role":"contribution","text":"We use numerical methods to explore the sensitivity of the nonlinear parameter fNL to the process by which this limit is achieved, finding an appreciable dependence on model-specific data such as the time at which slow-roll breaks down or the timescale of reheating.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.52,"quantitative":false,"quantitative_p":0.13,"role_probabilities":{"gap":0.0,"method":0.26,"result":0.31,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.43,"interpretation":0.0}},{"i":2,"p":0.81,"id":"s2","own":true,"role":"result","text":"In models with a sum-separable potential where the isocurvature modes decay before the end of the slow-roll phase we give an analytic criterion for the asymptotic value of fNL to be large.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.91,"main_claim_p":0.19,"quantitative":false,"quantitative_p":0.22,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.81,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.19,"interpretation":0.0}},{"i":3,"p":0.54,"id":"s3","own":true,"role":"result","text":"Other examples can be constructed using a waterfall field to terminate inflation while fNL is transiently large, caused by descent from a ridge or convergence into a valley.","hedge":{"p":0.63,"label":"asserted"},"own_p":0.6,"main_claim_p":0.08,"quantitative":false,"quantitative_p":0.09,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.54,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.45,"interpretation":0.0}},{"i":4,"p":0.92,"id":"s4","own":true,"role":"result","text":"We show that these two types of evolution are distinguished by the sign of the bispectrum, and give approximate expressions for the peak fNL.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.94,"main_claim_p":0.19,"quantitative":false,"quantitative_p":0.16,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.92,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.08,"interpretation":0.0}}]},"compiled":{"main_claim":{"p":0.99,"text":"We use numerical methods to explore the sensitivity of the nonlinear parameter fNL to the process by which this limit is achieved, finding an appreciable dependence on 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