{"id":"https://openalex.org/W7223242016","doi":"https://doi.org/10.48550/arxiv.2610.29885","title":"Cosmological Gravitational Wave Collider Physics","display_name":"Cosmological Gravitational Wave Collider Physics","publication_year":2026,"publication_date":"2026-10-21","ids":{"openalex":"https://openalex.org/W7223242016","doi":"https://doi.org/10.48550/arxiv.2610.29885"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.29885","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.29885","pdf_url":"https://arxiv.org/pdf/2610.29885","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2610.29885","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5007859874","display_name":"Sukannya Bhattacharya","orcid":"https://orcid.org/0000-0003-4464-5874","observed_orcids":["https://orcid.org/0000-0003-4464-5874"]},"institutions":[{"id":"https://openalex.org/I134820265","display_name":"Consejo Superior de Investigaciones Cient\u00edficas","ror":"https://ror.org/02gfc7t72","country_code":"ES","type":"government","lineage":["https://openalex.org/I134820265"]},{"id":"https://openalex.org/I4210112966","display_name":"Instituto de F\u00edsica Te\u00f3rica","ror":"https://ror.org/022r8mj40","country_code":"ES","type":"facility","lineage":["https://openalex.org/I134820265","https://openalex.org/I4210112966","https://openalex.org/I63634437"]},{"id":"https://openalex.org/I63634437","display_name":"Universidad Aut\u00f3noma de Madrid","ror":"https://ror.org/01cby8j38","country_code":"ES","type":"education","lineage":["https://openalex.org/I63634437"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Bhattacharya, Sukannya","raw_affiliation_strings":["Instituto de F\u00edsica T\u00e9orica UAM-CSIC , c/ Nicol\u00e1s Cabrera 13-15 , 28049 , Madrid , Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de F\u00edsica T\u00e9orica UAM-CSIC , c/ Nicol\u00e1s Cabrera 13-15 , 28049 , Madrid , Spain","institution_ids":["https://openalex.org/I134820265","https://openalex.org/I4210112966","https://openalex.org/I63634437"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058417591","display_name":"Matteo Fasiello","orcid":"https://orcid.org/0000-0002-2532-5202","observed_orcids":["https://orcid.org/0000-0002-2532-5202"]},"institutions":[{"id":"https://openalex.org/I134820265","display_name":"Consejo Superior de Investigaciones Cient\u00edficas","ror":"https://ror.org/02gfc7t72","country_code":"ES","type":"government","lineage":["https://openalex.org/I134820265"]},{"id":"https://openalex.org/I4210112966","display_name":"Instituto de F\u00edsica Te\u00f3rica","ror":"https://ror.org/022r8mj40","country_code":"ES","type":"facility","lineage":["https://openalex.org/I134820265","https://openalex.org/I4210112966","https://openalex.org/I63634437"]},{"id":"https://openalex.org/I63634437","display_name":"Universidad Aut\u00f3noma de Madrid","ror":"https://ror.org/01cby8j38","country_code":"ES","type":"education","lineage":["https://openalex.org/I63634437"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Fasiello, Matteo","raw_affiliation_strings":["Instituto de F\u00edsica T\u00e9orica UAM-CSIC , c/ Nicol\u00e1s Cabrera 13-15 , 28049 , Madrid , Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de F\u00edsica T\u00e9orica UAM-CSIC , c/ Nicol\u00e1s Cabrera 13-15 , 28049 , Madrid , Spain","institution_ids":["https://openalex.org/I134820265","https://openalex.org/I4210112966","https://openalex.org/I63634437"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040680611","display_name":"Anish Ghoshal","orcid":"https://orcid.org/0000-0001-7045-302X","observed_orcids":["https://orcid.org/0000-0001-7045-302X"]},"institutions":[{"id":"https://openalex.org/I162608824","display_name":"University of Sussex","ror":"https://ror.org/00ayhx656","country_code":"GB","type":"education","lineage":["https://openalex.org/I162608824"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ghoshal, Anish","raw_affiliation_strings":["Department of Physics and Astronomy , University of Sussex , Brighton , BN1 9RH , United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics and Astronomy , University of Sussex , Brighton , BN1 9RH , United Kingdom","institution_ids":["https://openalex.org/I162608824"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024926912","display_name":"Gianmassimo Tasinato C","orcid":"https://orcid.org/0000-0002-9835-4864","observed_orcids":["https://orcid.org/0000-0002-9835-4864"]},"institutions":[{"id":"https://openalex.org/I39586589","display_name":"Swansea University","ror":"https://ror.org/053fq8t95","country_code":"GB","type":"education","lineage":["https://openalex.org/I39586589"]},{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["GB","IT"],"is_corresponding":false,"raw_author_name":"Tasinato, Gianmassimo","raw_affiliation_strings":["Department of Physics , Swansea University , Swansea SA2 8PP , United Kingdom,","Dipartimento di Fisica e Astronomia , Universit\u00e0 di Bologna , Via Irnerio 46 , 40126 Bologna , Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics , Swansea University , Swansea SA2 8PP , United Kingdom,","institution_ids":["https://openalex.org/I39586589"]},{"raw_affiliation_string":"Dipartimento di Fisica e Astronomia , Universit\u00e0 di Bologna , Via Irnerio 46 , 40126 Bologna , Italy","institution_ids":["https://openalex.org/I9360294"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"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":0.9961000084877014,"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":0.9961000084877014,"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":0.0007999999797903001,"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"}},{"id":"https://openalex.org/T10463","display_name":"Pulsars and Gravitational Waves Research","score":0.000699999975040555,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/tensor-power-spectrum","display_name":"tensor power spectrum","score":0.8240000009536743},{"id":"https://openalex.org/keywords/squeezed-limit","display_name":"squeezed limit","score":0.6809999942779541},{"id":"https://openalex.org/keywords/sound-speed-variation","display_name":"sound speed variation","score":0.5879999995231628},{"id":"https://openalex.org/keywords/inflation-cosmology","display_name":"inflation (cosmology)","score":0.5899999737739563},{"id":"https://openalex.org/keywords/effective-field-theory","display_name":"effective field theory","score":0.6970000267028809}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9459999799728394},{"id":"https://openalex.org/C130044071","wikidata":"https://www.wikidata.org/wiki/Q103585","display_name":"Graviton","level":3,"score":0.809499979019165},{"id":"https://openalex.org/C190330329","wikidata":"https://www.wikidata.org/wiki/Q190035","display_name":"Gravitational wave","level":2,"score":0.7026000022888184},{"id":"https://openalex.org/C54937798","wikidata":"https://www.wikidata.org/wiki/Q2024141","display_name":"Massless particle","level":2,"score":0.5593000054359436},{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.5561000108718872},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.5446000099182129},{"id":"https://openalex.org/C3079626","wikidata":"https://www.wikidata.org/wiki/Q234881","display_name":"Quantum electrodynamics","level":1,"score":0.5062999725341797},{"id":"https://openalex.org/C2775859700","wikidata":"https://www.wikidata.org/wiki/Q568855","display_name":"Helicity","level":2,"score":0.48500001430511475},{"id":"https://openalex.org/C152321242","wikidata":"https://www.wikidata.org/wiki/Q7048759","display_name":"Non-Gaussianity","level":4,"score":0.4171000123023987},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.3774000108242035},{"id":"https://openalex.org/C2778439541","wikidata":"https://www.wikidata.org/wiki/Q7106412","display_name":"Oscillation (cell signaling)","level":2,"score":0.3691999912261963},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.3587000072002411},{"id":"https://openalex.org/C166077713","wikidata":"https://www.wikidata.org/wiki/Q1758924","display_name":"Tensor field","level":3,"score":0.35350000858306885},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.3508000075817108},{"id":"https://openalex.org/C26405456","wikidata":"https://www.wikidata.org/wiki/Q338","display_name":"Cosmology","level":2,"score":0.34779998660087585},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.3400999903678894},{"id":"https://openalex.org/C14257148","wikidata":"https://www.wikidata.org/wiki/Q558066","display_name":"Gravitational field","level":2,"score":0.3319999873638153},{"id":"https://openalex.org/C2780100471","wikidata":"https://www.wikidata.org/wiki/Q17005905","display_name":"Cosmological perturbation theory","level":3,"score":0.32690000534057617},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.3215000033378601},{"id":"https://openalex.org/C207297109","wikidata":"https://www.wikidata.org/wiki/Q15605","display_name":"Cosmic microwave background","level":3,"score":0.2994000017642975},{"id":"https://openalex.org/C138777275","wikidata":"https://www.wikidata.org/wiki/Q6884054","display_name":"Mixing (physics)","level":2,"score":0.29170000553131104},{"id":"https://openalex.org/C2776605907","wikidata":"https://www.wikidata.org/wiki/Q4147361","display_name":"Massive gravity","level":4,"score":0.28929999470710754},{"id":"https://openalex.org/C170442971","wikidata":"https://www.wikidata.org/wiki/Q1431196","display_name":"Cosmic string","level":3,"score":0.2786000072956085},{"id":"https://openalex.org/C2781201033","wikidata":"https://www.wikidata.org/wiki/Q5598005","display_name":"Gravitational wave background","level":3,"score":0.2565000057220459},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.25429999828338623},{"id":"https://openalex.org/C107195408","wikidata":"https://www.wikidata.org/wiki/Q2302080","display_name":"Gravitational-wave observatory","level":3,"score":0.2540999948978424},{"id":"https://openalex.org/C81502235","wikidata":"https://www.wikidata.org/wiki/Q104225","display_name":"Precession","level":2,"score":0.25049999356269836}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.29885","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.29885","pdf_url":"https://arxiv.org/pdf/2610.29885","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2610.29885","doi":"https://doi.org/10.48550/arxiv.2610.29885","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.29885","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-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2610.29885","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.29885","pdf_url":"https://arxiv.org/pdf/2610.29885","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":null,"license_id":null,"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/G179674260","display_name":null,"funder_award_id":"CEX2020-001007-S","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G282847690","display_name":null,"funder_award_id":"CEX2020- 001007-S","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3452655474","display_name":null,"funder_award_id":"/10.13039/501100011033","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G4806758154","display_name":null,"funder_award_id":"AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320310214","funder_display_name":"Fundaci\u00f3n Ram\u00f3n Areces"},{"id":"https://openalex.org/G5180915604","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320334632","funder_display_name":"Science and Technology Facilities Council"},{"id":"https://openalex.org/G8517543497","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320310214","funder_display_name":"Fundaci\u00f3n Ram\u00f3n Areces"}],"funders":[{"id":"https://openalex.org/F4320310214","display_name":"Fundaci\u00f3n Ram\u00f3n Areces","ror":"https://ror.org/04ra91131"},{"id":"https://openalex.org/F4320319993","display_name":"Leverhulme Trust","ror":"https://ror.org/012mzw131"},{"id":"https://openalex.org/F4320334632","display_name":"Science and Technology Facilities Council","ror":"https://ror.org/057g20z61"},{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":"https://ror.org/003x0zc53"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7223242016.pdf","grobid_xml":"https://content.openalex.org/works/W7223242016.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W1994585962","https://openalex.org/W2017607353","https://openalex.org/W2032844501","https://openalex.org/W2035433892","https://openalex.org/W2044983500","https://openalex.org/W2050287430","https://openalex.org/W2122336004","https://openalex.org/W2144653019"],"related_works":["https://openalex.org/W2974364105","https://openalex.org/W2905446146","https://openalex.org/W2999402414","https://openalex.org/W2468894760","https://openalex.org/W3046384201","https://openalex.org/W2951524973","https://openalex.org/W1913543142","https://openalex.org/W2974051739","https://openalex.org/W7169542559","https://openalex.org/W2911606216"],"abstract_inverted_index":{"Primordial":[0],"tensor":[1,46,124,155],"non-Gaussianity":[2],"can":[3],"probe":[4],"massive":[5,31,158],"particles":[6],"present":[7],"during":[8],"inflation.":[9],"We":[10,116],"investigate":[11],"this":[12],"possibility":[13],"in":[14,161],"an":[15,29],"effective":[16],"field":[17,33],"theory":[18],"where":[19,79],"the":[20,25,44,50,61,87,91,95,99,110,114,118,132,145,150,162],"massless":[21],"graviton":[22,101],"mixes":[23],"with":[24,35,74],"helicity-two":[26],"mode":[27],"of":[28,98,122,157],"additional":[30],"spin-two":[32,159],"$\u03c3_{ij}$":[34],"cubic":[36],"self-interactions.":[37],"For":[38],"constant":[39],"sound":[40,142],"speed,":[41],"we":[42,64,136],"compute":[43],"leading":[45],"power-spectrum":[47],"correction":[48],"and":[49,113,127,153],"tree-level":[51],"bispectrum,":[52],"finding":[53],"novel":[54],"analytical":[55],"expressions":[56],"for":[57],"these":[58],"quantities.":[59],"In":[60],"$m_\u03c3>3H/2$":[62],"regime,":[63],"find":[65],"a":[66,139],"nonanalytic":[67],"squeezed":[68,146],"contribution":[69],"that":[70],"exhibits":[71],"logarithmic":[72],"oscillations":[73],"characteristic":[75],"dependence":[76],"$(k_L/k_S)^{3/2\\pm":[77],"i\u03bc}$,":[78],"$\u03bc=\\sqrt{m_\u03c3^2/H^2-9/4}$.":[80],"The":[81,104],"oscillation":[82],"frequency":[83],"is":[84],"set":[85],"by":[86],"mass":[88],"$m_\u03c3$,":[89],"while":[90],"polarisation":[92],"contractions":[93],"determine":[94],"relative":[96],"amplitudes":[97],"different":[100],"helicity":[102],"configurations.":[103],"same":[105],"mixing":[106],"generates":[107],"corrections":[108],"to":[109,131],"power":[111,125],"spectrum":[112,126],"bispectrum.":[115],"derive":[117],"associated":[119],"quadrupolar":[120,154],"modulation":[121],"short-scale":[123],"relate":[128],"its":[129],"amplitude":[130],"model":[133],"parameters.":[134],"Finally,":[135],"explore":[137],"how":[138],"slowly":[140],"varying":[141],"speed":[143],"modifies":[144],"signal.~These":[147],"results":[148],"connect":[149],"two-point,":[151],"three-point,":[152],"signatures":[156],"fields":[160],"cosmological":[163],"gravitational":[164],"wave":[165],"collider.":[166]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-10-23T00:00:00"}
