{"id":"W4409014109","doi":"10.1103/j6hp-p8hs","title":"How much null-energy-condition breaking can the Universe endure?","year":2025,"lang":"en","type":"preprint","venue":"Physical review. D/Physical review. D.","topic":"Reservoir Engineering and Simulation Methods","field":"Engineering","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute; University of Waterloo","funders":"Institut Périmètre de physique théorique; Natural Sciences and Engineering Research Council of Canada; Government of Canada; Ministry of Colleges and Universities; Innovation, Science and Economic Development Canada","keywords":"Universe; Theoretical physics; Physics; Astronomy; Computer science","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":{"n_in":0,"stratum":"aff_core","weight":5595.2375,"opus":{"tier":"OUT","genre":"conceptual","about_ca":false,"confidence":"high","reason":"Theoretical cosmology on null energy condition violation."},"gpt":{"tier":"OUT","genre":"conceptual","about_ca":false,"confidence":"high","reason":"It derives theoretical constraints on cosmological models."},"grok":{"tier":"OUT","genre":"conceptual","about_ca":false,"confidence":"high","reason":"Theoretical cosmology bounds on NEC violation; object is physics, not research practice."}}}