{"id":"https://openalex.org/W7166509014","doi":"https://doi.org/10.48550/arxiv.2606.28005","title":"UV artefacts in ultra-slow-roll models of inflation","display_name":"UV artefacts in ultra-slow-roll models of inflation","publication_year":2026,"publication_date":"2026-06-26","ids":{"openalex":"https://openalex.org/W7166509014","doi":"https://doi.org/10.48550/arxiv.2606.28005"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2606.28005","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2606.28005","pdf_url":"https://arxiv.org/pdf/2606.28005","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2606.28005","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5139558485","display_name":"Gerald Barnert","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I63072094","display_name":"University of Portsmouth","ror":"https://ror.org/03ykbk197","country_code":"GB","type":"education","lineage":["https://openalex.org/I63072094"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Barnert, Gerald","raw_affiliation_strings":["Institute of Cosmology & Gravitation , University of Portsmouth , Burnaby Road , Portsmouth , PO1 3FX , U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Cosmology & Gravitation , University of Portsmouth , Burnaby Road , Portsmouth , PO1 3FX , U.K","institution_ids":["https://openalex.org/I63072094"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045478793","display_name":"Laura Iacconi","orcid":"https://orcid.org/0000-0002-1152-3056","observed_orcids":["https://orcid.org/0000-0002-1152-3056"]},"institutions":[{"id":"https://openalex.org/I166337079","display_name":"Queen Mary University of London","ror":"https://ror.org/026zzn846","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I166337079"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Iacconi, Laura","raw_affiliation_strings":["Astronomy Unit , Queen Mary University of London , Mile End Road , London , E1 4NS , U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Astronomy Unit , Queen Mary University of London , Mile End Road , London , E1 4NS , U.K","institution_ids":["https://openalex.org/I166337079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080295270","display_name":"Hooshyar Assadullahi","orcid":"https://orcid.org/0000-0003-0837-0199","observed_orcids":["https://orcid.org/0000-0003-0837-0199"]},"institutions":[{"id":"https://openalex.org/I63072094","display_name":"University of Portsmouth","ror":"https://ror.org/03ykbk197","country_code":"GB","type":"education","lineage":["https://openalex.org/I63072094"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Assadullahi, Hooshyar","raw_affiliation_strings":["Institute of Cosmology & Gravitation , University of Portsmouth , Burnaby Road , Portsmouth , PO1 3FX , U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Cosmology & Gravitation , University of Portsmouth , Burnaby Road , Portsmouth , PO1 3FX , U.K","institution_ids":["https://openalex.org/I63072094"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137795203","display_name":"Kazuya Koyama","orcid":"https://orcid.org/0000-0001-6727-6915","observed_orcids":["https://orcid.org/0000-0001-6727-6915"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Koyama, Kazuya","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5019669411","display_name":"David Wands","orcid":"https://orcid.org/0000-0001-9509-8386","observed_orcids":["https://orcid.org/0000-0001-9509-8386"]},"institutions":[{"id":"https://openalex.org/I63072094","display_name":"University of Portsmouth","ror":"https://ror.org/03ykbk197","country_code":"GB","type":"education","lineage":["https://openalex.org/I63072094"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Wands, David","raw_affiliation_strings":["Institute of Cosmology & Gravitation , University of Portsmouth , Burnaby Road , Portsmouth , PO1 3FX , U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Cosmology & Gravitation , University of Portsmouth , Burnaby Road , Portsmouth , PO1 3FX , U.K","institution_ids":["https://openalex.org/I63072094"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11415","display_name":"Noncommutative and Quantum Gravity Theories","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10025","display_name":"Black Holes and Theoretical Physics","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ultra-slow-roll-inflation","display_name":"ultra-slow-roll inflation","score":0.9800000190734863},{"id":"https://openalex.org/keywords/primordial-black-holes","display_name":"primordial black holes","score":0.7799999713897705},{"id":"https://openalex.org/keywords/scalar-induced-gravitational-waves","display_name":"scalar-induced gravitational waves","score":0.949999988079071},{"id":"https://openalex.org/keywords/scalar-field-potential-reconstruction","display_name":"scalar field potential reconstruction","score":0.8659999966621399},{"id":"https://openalex.org/keywords/uv-filtering","display_name":"UV filtering","score":0.875},{"id":"https://openalex.org/keywords/non-gaussianity","display_name":"non-Gaussianity","score":0.7200000286102295},{"id":"https://openalex.org/keywords/primordial-perturbations","display_name":"primordial perturbations","score":0.6880000233650208},{"id":"https://openalex.org/keywords/discrete-fourier-transform","display_name":"discrete Fourier transform","score":0.5239999890327454}],"concepts":[{"id":"https://openalex.org/C97256817","wikidata":"https://www.wikidata.org/wiki/Q1462316","display_name":"Spurious relationship","level":2,"score":0.8324999809265137},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5360999703407288},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.5026999711990356},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.48069998621940613},{"id":"https://openalex.org/C177918212","wikidata":"https://www.wikidata.org/wiki/Q803623","display_name":"Perturbation (astronomy)","level":2,"score":0.47369998693466187},{"id":"https://openalex.org/C190330329","wikidata":"https://www.wikidata.org/wiki/Q190035","display_name":"Gravitational wave","level":2,"score":0.44589999318122864},{"id":"https://openalex.org/C200941418","wikidata":"https://www.wikidata.org/wiki/Q273508","display_name":"Inflation (cosmology)","level":2,"score":0.4235000014305115},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.38269999623298645},{"id":"https://openalex.org/C73586568","wikidata":"https://www.wikidata.org/wiki/Q2600211","display_name":"Parameter space","level":2,"score":0.3695000112056732},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.3483000099658966},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.3301999866962433},{"id":"https://openalex.org/C130187892","wikidata":"https://www.wikidata.org/wiki/Q133327","display_name":"Spacetime","level":2,"score":0.31630000472068787},{"id":"https://openalex.org/C57691317","wikidata":"https://www.wikidata.org/wiki/Q1289248","display_name":"Scalar (mathematics)","level":2,"score":0.31279999017715454},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.30079999566078186},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.3003999888896942},{"id":"https://openalex.org/C110521144","wikidata":"https://www.wikidata.org/wiki/Q193460","display_name":"Scalar field","level":2,"score":0.3001999855041504},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.3000999987125397},{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.29319998621940613},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.2854999899864197},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.2782999873161316},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.27250000834465027},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.265500009059906},{"id":"https://openalex.org/C76969082","wikidata":"https://www.wikidata.org/wiki/Q486902","display_name":"Mathematical model","level":2,"score":0.26269999146461487},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.2612000107765198},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25949999690055847},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.25839999318122864},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.2583000063896179},{"id":"https://openalex.org/C26955809","wikidata":"https://www.wikidata.org/wiki/Q10167591","display_name":"Initial value problem","level":2,"score":0.2567000091075897},{"id":"https://openalex.org/C160121416","wikidata":"https://www.wikidata.org/wiki/Q1423347","display_name":"Geopotential","level":2,"score":0.2565000057220459},{"id":"https://openalex.org/C2778023678","wikidata":"https://www.wikidata.org/wiki/Q554403","display_name":"Duality (order theory)","level":2,"score":0.25459998846054077}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2606.28005","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2606.28005","pdf_url":"https://arxiv.org/pdf/2606.28005","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2606.28005","doi":"https://doi.org/10.48550/arxiv.2606.28005","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.28005","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2606.28005","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2606.28005","pdf_url":"https://arxiv.org/pdf/2606.28005","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G6923498253","display_name":null,"funder_award_id":"ST/B001175/1","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G7704712400","display_name":"Astronomy at Queen Mary 2023-2026","funder_award_id":"ST/X000931/1","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"}],"funders":[{"id":"https://openalex.org/F4320334632","display_name":"Science and Technology Facilities Council","ror":"https://ror.org/057g20z61"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7166509014.pdf","grobid_xml":"https://content.openalex.org/works/W7166509014.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2810885474","https://openalex.org/W4400115032","https://openalex.org/W4400883271","https://openalex.org/W7128707847","https://openalex.org/W2313161530","https://openalex.org/W2758495233","https://openalex.org/W7221946384","https://openalex.org/W4416008739","https://openalex.org/W2738966333","https://openalex.org/W2901702766"],"abstract_inverted_index":{"Within":[0],"single-field":[1],"inflation,":[2],"primordial":[3,13],"black":[4],"hole":[5],"and":[6,165],"scalar-induced":[7],"gravitational":[8],"wave":[9],"production":[10],"from":[11,69,142],"enhanced":[12],"perturbations":[14],"typically":[15,75,132],"requires":[16],"a":[17,90,125,184],"transient":[18,185],"non-attractor":[19,186],"phase,":[20],"such":[21,32,162],"as":[22,137,163],"ultra-slow":[23,143],"roll.":[24,147],"We":[25,112],"investigate":[26],"the":[27,40,52,64,67,83,115,138,152,172],"physical":[28],"consistency":[29],"of":[30,63,85,110,154,174],"modeling":[31,180],"scenarios":[33],"through":[34],"analytical":[35,176],"Hubble-flow":[36,177],"parametrisation.":[37],"By":[38],"reconstructing":[39],"underlying":[41],"scalar":[42],"field":[43,105,139],"potential,":[44],"we":[45,88,127],"show":[46,128],"that":[47,114,129],"even":[48],"slow":[49,146],"transitions":[50],"in":[51,60,78,104,107,121],"slow-roll":[53],"parameters":[54],"can":[55],"hide":[56],"sharp,":[57],"localised":[58],"spikes":[59],"higher-order":[61],"derivatives":[62],"potential":[65],"at":[66],"transition":[68],"ultra-slow-roll":[70],"to":[71,98,145],"slow-roll.":[72],"These":[73],"are":[74],"not":[76],"found":[77],"analytic":[79],"potentials.":[80,123],"To":[81],"evaluate":[82],"impact":[84],"these":[86],"structures,":[87],"implement":[89],"UV-filtering":[91],"procedure":[92],"based":[93],"on":[94],"discrete":[95],"Fourier":[96],"transform":[97],"systematically":[99],"suppress":[100],"high":[101],"frequency":[102],"modes":[103],"space":[106],"both":[108],"classes":[109],"models.":[111],"find":[113],"filter":[116],"effectively":[117],"removes":[118],"sharp":[119],"features":[120],"Hubble-flow-derived":[122],"As":[124],"consequence,":[126],"UV-filtered":[130],"models":[131,182],"respect":[133],"Wands":[134],"duality":[135],"invariance":[136],"evolves":[140],"back":[141],"roll":[144],"Beyond":[148],"linear":[149],"perturbation":[150],"theory,":[151],"introduction":[153],"spurious":[155],"UV":[156],"effects":[157],"might":[158],"affect":[159],"other":[160],"observables,":[161],"non-Gaussianity":[164],"loop":[166],"contributions.":[167],"Our":[168],"results":[169],"thereby":[170],"question":[171],"robustness":[173],"simple":[175],"parametrisation":[178],"for":[179],"inflationary":[181],"with":[183],"phase.":[187]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-06-30T00:00:00"}
