{"id":"https://openalex.org/W7225420767","doi":"https://doi.org/10.5281/zenodo.23998350","title":"Testing global-monopole gravity with shock-cone QPOs and mass estimates of Seyfert black holes \u2014 E8 Intelligence Research","display_name":"Testing global-monopole gravity with shock-cone QPOs and mass estimates of Seyfert black holes \u2014 E8 Intelligence Research","publication_year":2026,"publication_date":"2026-11-06","ids":{"openalex":"https://openalex.org/W7225420767","doi":"https://doi.org/10.5281/zenodo.23998350"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.23998350","doi":"https://doi.org/10.5281/zenodo.23998350","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23998350","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5281/zenodo.23998350","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5155309988","display_name":"Andrew Stewart Caldin","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Caldin, Andrew Stewart","raw_affiliation_strings":["Independent Researcher, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Independent Researcher, United Kingdom","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5155309988"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.9887999892234802,"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.9887999892234802,"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/T10025","display_name":"Black Holes and Theoretical Physics","score":0.00430000014603138,"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.0012000000569969416,"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/global-monopole","display_name":"global monopole","score":0.9570000171661377},{"id":"https://openalex.org/keywords/black-hole-accretion","display_name":"black hole accretion","score":0.7429999709129333},{"id":"https://openalex.org/keywords/bondi-hoyle-lyttleton-accretion","display_name":"Bondi-Hoyle accretion","score":0.9779999852180481},{"id":"https://openalex.org/keywords/shock-cone","display_name":"shock cone","score":0.609000027179718},{"id":"https://openalex.org/keywords/quasi-periodic-oscillations","display_name":"quasi-periodic oscillations","score":0.9700000286102295},{"id":"https://openalex.org/keywords/mass-estimates","display_name":"mass estimates","score":0.6190000176429749},{"id":"https://openalex.org/keywords/general-relativistic-hydrodynamics","display_name":"general relativistic hydrodynamics","score":0.9259999990463257},{"id":"https://openalex.org/keywords/black-hole-spacetimes","display_name":"black hole spacetimes","score":0.4909999966621399}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8652999997138977},{"id":"https://openalex.org/C149298590","wikidata":"https://www.wikidata.org/wiki/Q219708","display_name":"Magnetic monopole","level":2,"score":0.7347000241279602},{"id":"https://openalex.org/C2776401274","wikidata":"https://www.wikidata.org/wiki/Q3756855","display_name":"Accretion (finance)","level":2,"score":0.6646999716758728},{"id":"https://openalex.org/C195803813","wikidata":"https://www.wikidata.org/wiki/Q237604","display_name":"Accretion disc","level":2,"score":0.5770000219345093},{"id":"https://openalex.org/C50341732","wikidata":"https://www.wikidata.org/wiki/Q880302","display_name":"Black hole (networking)","level":5,"score":0.5412999987602234},{"id":"https://openalex.org/C130187892","wikidata":"https://www.wikidata.org/wiki/Q133327","display_name":"Spacetime","level":2,"score":0.48649999499320984},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.48089998960494995},{"id":"https://openalex.org/C30014739","wikidata":"https://www.wikidata.org/wiki/Q5159445","display_name":"Cone (formal languages)","level":2,"score":0.4307999908924103},{"id":"https://openalex.org/C70477161","wikidata":"https://www.wikidata.org/wiki/Q190688","display_name":"Shock wave","level":2,"score":0.4198000133037567},{"id":"https://openalex.org/C197067312","wikidata":"https://www.wikidata.org/wiki/Q1137903","display_name":"Light cone","level":2,"score":0.39489999413490295},{"id":"https://openalex.org/C145528070","wikidata":"https://www.wikidata.org/wiki/Q7624560","display_name":"Strong gravity","level":3,"score":0.38089999556541443},{"id":"https://openalex.org/C145912823","wikidata":"https://www.wikidata.org/wiki/Q113558","display_name":"Dynamics (music)","level":2,"score":0.3621000051498413},{"id":"https://openalex.org/C134222618","wikidata":"https://www.wikidata.org/wiki/Q2713132","display_name":"Mass distribution","level":3,"score":0.34850001335144043},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.3336000144481659},{"id":"https://openalex.org/C26955809","wikidata":"https://www.wikidata.org/wiki/Q10167591","display_name":"Initial value problem","level":2,"score":0.29829999804496765},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.27469998598098755},{"id":"https://openalex.org/C2781300812","wikidata":"https://www.wikidata.org/wiki/Q178061","display_name":"Shock (circulatory)","level":2,"score":0.2732999920845032},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.2685999870300293},{"id":"https://openalex.org/C147452769","wikidata":"https://www.wikidata.org/wiki/Q11452","display_name":"General relativity","level":2,"score":0.2678000032901764},{"id":"https://openalex.org/C2992787227","wikidata":"https://www.wikidata.org/wiki/Q273711","display_name":"Einstein equations","level":3,"score":0.26649999618530273},{"id":"https://openalex.org/C2778334786","wikidata":"https://www.wikidata.org/wiki/Q1586270","display_name":"Variation (astronomy)","level":2,"score":0.26510000228881836},{"id":"https://openalex.org/C82422596","wikidata":"https://www.wikidata.org/wiki/Q1094364","display_name":"Rotating black hole","level":3,"score":0.26159998774528503},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.25850000977516174},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.25769999623298645}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5281/zenodo.23998350","doi":"https://doi.org/10.5281/zenodo.23998350","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23998350","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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"},{"id":"doi:10.5281/zenodo.23998351","doi":"https://doi.org/10.5281/zenodo.23998351","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23998351","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"doi:10.5281/zenodo.23998350","doi":"https://doi.org/10.5281/zenodo.23998350","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23998350","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7168127053","https://openalex.org/W7151841330","https://openalex.org/W7123344869","https://openalex.org/W4393142318","https://openalex.org/W4402129846","https://openalex.org/W2527721276","https://openalex.org/W7165636179","https://openalex.org/W3135764307","https://openalex.org/W3215118613","https://openalex.org/W4390911509"],"abstract_inverted_index":{"We":[0],"investigate":[1],"the":[2,20,41,48,53,56,60,63,67,77,82,95,99,110,130,145],"accretion":[3,9,111],"dynamics":[4,112],"produced":[5],"by":[6,18],"Bondi-Hoyle-Lyttleton":[7],"(BHL)":[8],"onto":[10],"a":[11,15,27,33,88,105],"black":[12,54],"hole":[13],"with":[14],"global":[16],"monopole":[17,42,78,123],"solving":[19],"general":[21],"relativistic":[22],"hydrodynamic":[23],"(GRH)":[24],"equations":[25],"on":[26],"fixed":[28],"global-monopole":[29],"spacetime":[30],"background.":[31],"Using":[32],"controlled":[34],"sequence":[35],"of":[36,62,144],"models,":[37],"we":[38],"reveal":[39],"how":[40],"parameters":[43],"\u03b7":[44],"and":[45,66,109,132],"\u03bb":[46],"affect":[47],"shock-cone":[49],"morphology":[50],"formed":[51],"around":[52],"hole,":[55],"near-horizon":[57],"density":[58],"distribution,":[59],"variation":[61],"mass-accretion":[64],"rate,":[65],"QPO-like":[68],"timing":[69],"signatures.":[70],"The":[71,116],"numerical":[72],"results":[73],"show":[74],"that":[75,121],"increasing":[76],"deviation":[79],"systematically":[80],"transforms":[81],"narrow":[83],"Schwarzschild-type":[84],"shock":[85,100],"cone":[86,101],"into":[87],"broad":[89],"bow-shock-like":[90],"structure.":[91],"During":[92],"this":[93],"process,":[94],"matter":[96],"trapped":[97],"inside":[98],"is":[102,113],"redistributed":[103],"over":[104],"wider":[106],"angular":[107],"region,":[108],"strongly":[114],"modified.":[115],"mass-accretion-rate":[117],"evolution":[118],"further":[119],"reveals":[120],"strong":[122],"deviations":[124],"enhance":[125],"long-timescale":[126],"variability,":[127],"especially":[128],"in":[129],"MOPO10":[131],"MOPO12":[133],"models.":[134],"T":[135],"Author:":[136],"Andrew":[137],"Stewart":[138],"Caldin,":[139],"Independent":[140],"Researcher,":[141],"UK.":[142],"Part":[143],"E8":[146],"Intelligence":[147],"Research":[148],"series.":[149],"Platform:":[150],"e8intelligence.com":[151]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-11-07T00:00:00"}