{"id":"https://openalex.org/W7204854065","doi":"https://doi.org/10.1103/z77w-tld7","title":"Investigation of global structure of Kerr-Newman-Bertotti-Robinson spacetime","display_name":"Investigation of global structure of Kerr-Newman-Bertotti-Robinson spacetime","publication_year":2026,"publication_date":"2026-10-27","ids":{"openalex":"https://openalex.org/W7204854065","doi":"https://doi.org/10.1103/z77w-tld7"},"language":"en","primary_location":{"id":"doi:10.1103/z77w-tld7","doi":"https://doi.org/10.1103/z77w-tld7","is_oa":false,"landing_page_url":"https://doi.org/10.1103/z77w-tld7","pdf_url":null,"source":{"id":"https://openalex.org/S4210238307","display_name":"Physical review. D/Physical review. D.","issn_l":"2470-0010","issn":["2470-0010","2470-0029","2470-0037"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-2","ki-jl-1","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review D","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2608.28265","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108996907","display_name":"Hryhorii Ovcharenko","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Hryhorii Ovcharenko","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5108996907"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.9909,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.95379333,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"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/T11960","display_name":"Relativity and Gravitational Theory","score":0.6044999957084656,"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/T11960","display_name":"Relativity and Gravitational Theory","score":0.6044999957084656,"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":0.32710000872612,"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/T13080","display_name":"Advanced Differential Geometry Research","score":0.020999999716877937,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/global-structure-of-spacetime","display_name":"global structure of spacetime","score":0.8529999852180481},{"id":"https://openalex.org/keywords/conformal-infinity","display_name":"conformal infinity","score":0.9660000205039978},{"id":"https://openalex.org/keywords/conformal-structures","display_name":"conformal structures","score":0.7509999871253967},{"id":"https://openalex.org/keywords/rotating-spacetimes","display_name":"rotating spacetimes","score":0.7689999938011169},{"id":"https://openalex.org/keywords/equatorial-plane","display_name":"equatorial plane","score":0.8059999942779541}],"concepts":[{"id":"https://openalex.org/C130187892","wikidata":"https://www.wikidata.org/wiki/Q133327","display_name":"Spacetime","level":2,"score":0.777999997138977},{"id":"https://openalex.org/C98214594","wikidata":"https://www.wikidata.org/wiki/Q850275","display_name":"Conformal map","level":2,"score":0.7311000227928162},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6549000144004822},{"id":"https://openalex.org/C183992945","wikidata":"https://www.wikidata.org/wiki/Q2495574","display_name":"Universality (dynamical systems)","level":2,"score":0.6353999972343445},{"id":"https://openalex.org/C2777742833","wikidata":"https://www.wikidata.org/wiki/Q1964083","display_name":"Reciprocal","level":2,"score":0.5548999905586243},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.476500004529953},{"id":"https://openalex.org/C2776196297","wikidata":"https://www.wikidata.org/wiki/Q17138781","display_name":"Twist","level":2,"score":0.41100001335144043},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.4068000018596649},{"id":"https://openalex.org/C29705727","wikidata":"https://www.wikidata.org/wiki/Q294562","display_name":"Polar","level":2,"score":0.37369999289512634},{"id":"https://openalex.org/C134200972","wikidata":"https://www.wikidata.org/wiki/Q856292","display_name":"World line","level":3,"score":0.3723999857902527},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.367900013923645},{"id":"https://openalex.org/C40069579","wikidata":"https://www.wikidata.org/wiki/Q62494","display_name":"Polar coordinate system","level":2,"score":0.3625999987125397},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.35659998655319214},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.337799996137619},{"id":"https://openalex.org/C185277778","wikidata":"https://www.wikidata.org/wiki/Q3966119","display_name":"Stationary spacetime","level":5,"score":0.3359000086784363},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.3208000063896179},{"id":"https://openalex.org/C79464548","wikidata":"https://www.wikidata.org/wiki/Q464794","display_name":"Minkowski space","level":2,"score":0.3206999897956848},{"id":"https://openalex.org/C163504300","wikidata":"https://www.wikidata.org/wiki/Q2364925","display_name":"Causal structure","level":2,"score":0.3199000060558319},{"id":"https://openalex.org/C96402334","wikidata":"https://www.wikidata.org/wiki/Q3030793","display_name":"Space time","level":2,"score":0.3167000114917755},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.31299999356269836},{"id":"https://openalex.org/C61445026","wikidata":"https://www.wikidata.org/wiki/Q217608","display_name":"Fixed point","level":2,"score":0.29600000381469727},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.29600000381469727},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.2883000075817108},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.28679999709129333},{"id":"https://openalex.org/C80551277","wikidata":"https://www.wikidata.org/wiki/Q11210","display_name":"Coordinate system","level":2,"score":0.2838999927043915},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27549999952316284}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1103/z77w-tld7","doi":"https://doi.org/10.1103/z77w-tld7","is_oa":false,"landing_page_url":"https://doi.org/10.1103/z77w-tld7","pdf_url":null,"source":{"id":"https://openalex.org/S4210238307","display_name":"Physical review. D/Physical review. D.","issn_l":"2470-0010","issn":["2470-0010","2470-0029","2470-0037"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-2","ki-jl-1","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review D","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2608.28265","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.28265","pdf_url":"https://arxiv.org/pdf/2608.28265","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.2608.28265","doi":"https://doi.org/10.48550/arxiv.2608.28265","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2608.28265","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2608.28265","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.28265","pdf_url":"https://arxiv.org/pdf/2608.28265","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/G773406287","display_name":null,"funder_award_id":"26-22381S","funder_id":"https://openalex.org/F4320321006","funder_display_name":"Grantov\u00e1 Agentura \u010cesk\u00e9 Republiky"},{"id":"https://openalex.org/G7885204913","display_name":null,"funder_award_id":"260325","funder_id":"https://openalex.org/F4320309755","funder_display_name":"Univerzita Karlova v Praze"},{"id":"https://openalex.org/G8464933704","display_name":null,"funder_award_id":"GAUK 260325","funder_id":"https://openalex.org/F4320309755","funder_display_name":"Univerzita Karlova v Praze"}],"funders":[{"id":"https://openalex.org/F4320309755","display_name":"Univerzita Karlova v Praze","ror":"https://ror.org/024d6js02"},{"id":"https://openalex.org/F4320321006","display_name":"Grantov\u00e1 Agentura \u010cesk\u00e9 Republiky","ror":"https://ror.org/01pv73b02"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7204854065.pdf","grobid_xml":"https://content.openalex.org/works/W7204854065.grobid-xml"},"referenced_works_count":5,"referenced_works":["https://openalex.org/W7203940573","https://openalex.org/W7204187704","https://openalex.org/W7204188497","https://openalex.org/W7204475840","https://openalex.org/W7215078661"],"related_works":["https://openalex.org/W1679674233","https://openalex.org/W2030969644","https://openalex.org/W7098636530","https://openalex.org/W2951211695","https://openalex.org/W4289810678","https://openalex.org/W2172177451","https://openalex.org/W127564312","https://openalex.org/W1989110555","https://openalex.org/W7168038086","https://openalex.org/W1624419212"],"abstract_inverted_index":{"We":[0],"conduct":[1],"an":[2],"investigation":[3],"of":[4,8,26,54,78,128],"the":[5,24,38,44,51,62,67,76,91,111,114,120,126],"global":[6],"structure":[7,69],"Kerr-Newman-BR":[9,55],"spacetime":[10,79],"and":[11,89],"its":[12],"various":[13],"subcases":[14],"such":[15,129],"as":[16],"Schwarzschild-BR":[17],"spacetime.":[18],"In":[19],"this":[20],"work,":[21],"we":[22,31,48,101,108,124],"extend":[23],"result":[25],"our":[27],"previous":[28],"studies,":[29],"where":[30],"found":[32],"that":[33,50],"$r\\to":[34,64],"\\infty$":[35],"is":[36,81,85],"not":[37],"proper":[39],"conformal":[40,68],"infinity.":[41],"By":[42],"using":[43],"reciprocal":[45],"coordinate":[46],"$y=1/r$,":[47],"show":[49],"whole":[52],"family":[53],"spacetimes":[56],"can":[57],"be":[58,97],"continuously":[59],"extended":[60],"through":[61],"surface":[63],"\\infty$.":[65],"However,":[66],"after":[70],"passing":[71],"$r\\to\\infty$":[72],"strongly":[73],"depends":[74],"on":[75,90,110],"type":[77],"one":[80,94],"considering":[82],"(either":[83],"rotation":[84],"present,":[86],"or":[87,107,118],"not)":[88],"polar":[92,104],"direction":[93],"chooses":[95],"to":[96],"fixed":[98],"(namely,":[99],"whether":[100],"consider":[102],"generic":[103],"angle":[105],"$\u03b8$,":[106],"focus":[109],"behaviour":[112],"near":[113,119],"equatorial":[115],"plane":[116],"$\u03b8=\u03c0/2$,":[117],"poles":[121],"$\u03b8=0,\u03c0$).":[122],"Finally,":[123],"discuss":[125],"universality":[127],"a":[130],"continuous":[131],"extension.":[132]},"counts_by_year":[{"year":2026,"cited_by_count":6}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-09-01T00:00:00"}
