{"id":"https://openalex.org/W7225389356","doi":"https://doi.org/10.5281/zenodo.23998456","title":"Fallback-driven evolutionary trajectories of supramassive neutron stars toward the neutron star-black hole transition regime \u2014 E8 Intelligence Research","display_name":"Fallback-driven evolutionary trajectories of supramassive neutron stars toward the neutron star-black hole transition regime \u2014 E8 Intelligence Research","publication_year":2026,"publication_date":"2026-11-06","ids":{"openalex":"https://openalex.org/W7225389356","doi":"https://doi.org/10.5281/zenodo.23998456"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.23998456","doi":"https://doi.org/10.5281/zenodo.23998456","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23998456","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.23998456","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/T10463","display_name":"Pulsars and Gravitational Waves Research","score":0.9937000274658203,"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/T10463","display_name":"Pulsars and Gravitational Waves Research","score":0.9937000274658203,"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.003000000026077032,"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/T11323","display_name":"Gamma-ray bursts and supernovae","score":0.002099999925121665,"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/supramassive-neutron-stars","display_name":"supramassive neutron stars","score":0.996999979019165},{"id":"https://openalex.org/keywords/fallback-accretion","display_name":"fallback accretion","score":0.9879999756813049},{"id":"https://openalex.org/keywords/gw190814","display_name":"GW190814","score":0.8429999947547913},{"id":"https://openalex.org/keywords/gw230529","display_name":"GW230529","score":0.9940000176429749},{"id":"https://openalex.org/keywords/maximum-neutron-star-mass","display_name":"maximum neutron star mass","score":0.5870000123977661},{"id":"https://openalex.org/keywords/spin-up","display_name":"spin-up","score":0.6029999852180481},{"id":"https://openalex.org/keywords/rotational-stability","display_name":"rotational stability","score":0.7329999804496765},{"id":"https://openalex.org/keywords/accretion-disk-formation","display_name":"accretion disk formation","score":0.8399999737739563},{"id":"https://openalex.org/keywords/gravitational-wave-sources","display_name":"gravitational wave sources","score":0.5270000100135803},{"id":"https://openalex.org/keywords/compact-object-formation","display_name":"compact object formation","score":0.6269999742507935}],"concepts":[{"id":"https://openalex.org/C192887742","wikidata":"https://www.wikidata.org/wiki/Q4202","display_name":"Neutron star","level":2,"score":0.9218999743461609},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8568999767303467},{"id":"https://openalex.org/C2776401274","wikidata":"https://www.wikidata.org/wiki/Q3756855","display_name":"Accretion (finance)","level":2,"score":0.6657999753952026},{"id":"https://openalex.org/C155675718","wikidata":"https://www.wikidata.org/wiki/Q161254","display_name":"Angular momentum","level":2,"score":0.6636999845504761},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.5925999879837036},{"id":"https://openalex.org/C190330329","wikidata":"https://www.wikidata.org/wiki/Q190035","display_name":"Gravitational wave","level":2,"score":0.588100016117096},{"id":"https://openalex.org/C50341732","wikidata":"https://www.wikidata.org/wiki/Q880302","display_name":"Black hole (networking)","level":5,"score":0.5011000037193298},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4580000042915344},{"id":"https://openalex.org/C152568617","wikidata":"https://www.wikidata.org/wiki/Q2348","display_name":"Neutron","level":2,"score":0.4417000114917755},{"id":"https://openalex.org/C73586568","wikidata":"https://www.wikidata.org/wiki/Q2600211","display_name":"Parameter space","level":2,"score":0.43479999899864197},{"id":"https://openalex.org/C42704618","wikidata":"https://www.wikidata.org/wiki/Q910917","display_name":"Spin (aerodynamics)","level":2,"score":0.39730000495910645},{"id":"https://openalex.org/C18444321","wikidata":"https://www.wikidata.org/wiki/Q368442","display_name":"Compact star","level":3,"score":0.38339999318122864},{"id":"https://openalex.org/C137179401","wikidata":"https://www.wikidata.org/wiki/Q5961","display_name":"X-ray binary","level":3,"score":0.3779999911785126},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.3693000078201294},{"id":"https://openalex.org/C2777106203","wikidata":"https://www.wikidata.org/wiki/Q2111163","display_name":"Low Mass","level":3,"score":0.36500000953674316},{"id":"https://openalex.org/C140878338","wikidata":"https://www.wikidata.org/wiki/Q947987","display_name":"Critical mass (sociodynamics)","level":2,"score":0.3407000005245209},{"id":"https://openalex.org/C17599544","wikidata":"https://www.wikidata.org/wiki/Q22247","display_name":"Gamma-ray burst","level":2,"score":0.3393000066280365},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.33660000562667847},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.3357999920845032},{"id":"https://openalex.org/C107229949","wikidata":"https://www.wikidata.org/wiki/Q285033","display_name":"r-process","level":4,"score":0.30640000104904175},{"id":"https://openalex.org/C145528070","wikidata":"https://www.wikidata.org/wiki/Q7624560","display_name":"Strong gravity","level":3,"score":0.304500013589859},{"id":"https://openalex.org/C195803813","wikidata":"https://www.wikidata.org/wiki/Q237604","display_name":"Accretion disc","level":2,"score":0.2915000021457672},{"id":"https://openalex.org/C152991086","wikidata":"https://www.wikidata.org/wiki/Q1225362","display_name":"Position and momentum space","level":2,"score":0.28619998693466187},{"id":"https://openalex.org/C60718061","wikidata":"https://www.wikidata.org/wiki/Q1414747","display_name":"Momentum (technical analysis)","level":2,"score":0.2858999967575073},{"id":"https://openalex.org/C105500671","wikidata":"https://www.wikidata.org/wiki/Q1047034","display_name":"Stellar black hole","level":3,"score":0.28519999980926514},{"id":"https://openalex.org/C2780897414","wikidata":"https://www.wikidata.org/wiki/Q7600592","display_name":"Star (game theory)","level":2,"score":0.2651999890804291},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.2533999979496002},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.25130000710487366}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5281/zenodo.23998456","doi":"https://doi.org/10.5281/zenodo.23998456","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23998456","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.23998457","doi":"https://doi.org/10.5281/zenodo.23998457","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23998457","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.23998456","doi":"https://doi.org/10.5281/zenodo.23998456","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.23998456","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/W7202368746","https://openalex.org/W2040112241","https://openalex.org/W1981447536","https://openalex.org/W2768639442","https://openalex.org/W1577601242","https://openalex.org/W3100568132","https://openalex.org/W3080353632","https://openalex.org/W2561615792","https://openalex.org/W3102641179","https://openalex.org/W3201297465"],"abstract_inverted_index":{"Recent":[0],"gravitational":[1],"wave":[2],"(GW)":[3],"events,":[4],"such":[5],"as":[6],"GW190814":[7],"and":[8,30,69,102,113,134,142],"GW230529,":[9],"have":[10],"hinted":[11],"at":[12,88],"the":[13,21,25,31,130,155],"existence":[14],"of":[15,38,51,60,154],"compact":[16,40],"objects":[17,41],"that":[18,55],"fall":[19],"in":[20,129],"transitional":[22],"regime":[23],"between":[24],"maximum":[26,121],"neutron":[27,53,135],"star":[28,136],"mass":[29,58,67,103,122],"minimum":[32],"black":[33],"hole":[34],"mass.":[35,137],"The":[36,124],"nature":[37],"these":[39],"is":[42],"heavily":[43],"debated.":[44],"We":[45],"investigate":[46],"a":[47,57,109,119],"potential":[48],"formation":[49],"channel":[50],"heavy":[52],"stars":[54],"exceed":[56],"limit":[59],"2.5M\u2299,":[61],"where":[62],"fallback":[63,131,141],"accretion":[64,143],"induced":[65],"simultaneous":[66],"growth":[68,104],"spin-up":[70],"can":[71],"enable":[72],"them":[73],"to":[74,80],"remain":[75],"either":[76],"temporarily":[77],"(long":[78],"enough":[79],"emit":[81],"detectable":[82],"GW":[83],"signals)":[84],"or":[85],"permanently":[86],"stable":[87],"supramassive":[89],"levels.":[90],"An":[91],"optimistic":[92],"scenario":[93],"was":[94],"modeled":[95],"using":[96],"defined":[97],"initial":[98],"parameters.":[99],"Spin":[100],"evolution":[101],"were":[105],"calculated":[106],"by":[107],"implementing":[108],"power-law":[110],"decay":[111],"equation":[112],"rotational":[114],"stability":[115],"criterion":[116],"based":[117],"on":[118],"spin-dependent":[120],"model.":[123],"parameter":[125],"space":[126],"included":[127],"variations":[128],"angular":[132],"momentum":[133],"Considering":[138],"both":[139],"direct":[140],"disk":[144],"formation,":[145],"Author:":[146],"Andrew":[147],"Stewart":[148],"Caldin,":[149],"Independent":[150],"Researcher,":[151],"UK.":[152],"Part":[153],"E8":[156],"Intelligence":[157],"Research":[158],"series.":[159],"Platform:":[160],"e8intelligence.com":[161]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-11-07T00:00:00"}