{"id":"https://openalex.org/W7214728538","doi":"https://doi.org/10.48550/arxiv.2609.31791","title":"Chaos bound for spinning particles in a hairy black hole with two photon spheres","display_name":"Chaos bound for spinning particles in a hairy black hole with two photon spheres","publication_year":2026,"publication_date":"2026-09-25","ids":{"openalex":"https://openalex.org/W7214728538","doi":"https://doi.org/10.48550/arxiv.2609.31791"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.31791","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.31791","pdf_url":"https://arxiv.org/pdf/2609.31791","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/2609.31791","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080434242","display_name":"Chuanhong Gao","orcid":"https://orcid.org/0009-0007-7973-5630","observed_orcids":["https://orcid.org/0009-0007-7973-5630"]},"institutions":[{"id":"https://openalex.org/I4405279637","display_name":"Sichuan Technology and Business University","ror":"https://ror.org/01sr0fc56","country_code":"CN","type":"education","lineage":["https://openalex.org/I4405279637"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Gao, Chuanhong","raw_affiliation_strings":["Sichuan Technology and Business University , Chengdu 611745 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sichuan Technology and Business University , Chengdu 611745 , China","institution_ids":["https://openalex.org/I4405279637"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5080434242"],"corresponding_institution_ids":["https://openalex.org/I4405279637"],"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/T10025","display_name":"Black Holes and Theoretical Physics","score":0.9628999829292297,"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"}},"topics":[{"id":"https://openalex.org/T10025","display_name":"Black Holes and Theoretical Physics","score":0.9628999829292297,"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/T11261","display_name":"Quantum chaos and dynamical systems","score":0.010400000028312206,"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.008100000210106373,"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/chaos-bound","display_name":"chaos bound","score":0.9869999885559082},{"id":"https://openalex.org/keywords/spinning-test-particles","display_name":"spinning test particles","score":0.7919999957084656},{"id":"https://openalex.org/keywords/hairy-black-holes","display_name":"hairy black holes","score":0.7770000100135803},{"id":"https://openalex.org/keywords/unstable-circular-orbits","display_name":"unstable circular orbits","score":0.9940000176429749},{"id":"https://openalex.org/keywords/orbital-chaos","display_name":"orbital chaos","score":0.7509999871253967},{"id":"https://openalex.org/keywords/lyapunov-exponents","display_name":"Lyapunov exponents","score":0.9300000071525574},{"id":"https://openalex.org/keywords/surface-gravity","display_name":"surface gravity","score":0.7170000076293945},{"id":"https://openalex.org/keywords/spin-curvature-coupling","display_name":"spin-curvature coupling","score":0.8799999952316284},{"id":"https://openalex.org/keywords/total-angular-momentum","display_name":"total angular momentum","score":0.7620000243186951}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8615999817848206},{"id":"https://openalex.org/C155675718","wikidata":"https://www.wikidata.org/wiki/Q161254","display_name":"Angular momentum","level":2,"score":0.5960999727249146},{"id":"https://openalex.org/C59108619","wikidata":"https://www.wikidata.org/wiki/Q2261398","display_name":"Circular orbit","level":2,"score":0.5309000015258789},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.5181999802589417},{"id":"https://openalex.org/C50341732","wikidata":"https://www.wikidata.org/wiki/Q880302","display_name":"Black hole (networking)","level":5,"score":0.5013999938964844},{"id":"https://openalex.org/C207821765","wikidata":"https://www.wikidata.org/wiki/Q405372","display_name":"Instability","level":2,"score":0.45339998602867126},{"id":"https://openalex.org/C191544260","wikidata":"https://www.wikidata.org/wiki/Q1238630","display_name":"Lyapunov exponent","level":3,"score":0.4293000102043152},{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.4081999957561493},{"id":"https://openalex.org/C42704618","wikidata":"https://www.wikidata.org/wiki/Q910917","display_name":"Spin (aerodynamics)","level":2,"score":0.38600000739097595},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.38100001215934753},{"id":"https://openalex.org/C73586568","wikidata":"https://www.wikidata.org/wiki/Q2600211","display_name":"Parameter space","level":2,"score":0.3776000142097473},{"id":"https://openalex.org/C174084160","wikidata":"https://www.wikidata.org/wiki/Q908049","display_name":"Bound state","level":2,"score":0.3772999942302704},{"id":"https://openalex.org/C72422203","wikidata":"https://www.wikidata.org/wiki/Q7392545","display_name":"SPHERES","level":2,"score":0.3725999891757965},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.3723999857902527},{"id":"https://openalex.org/C154815118","wikidata":"https://www.wikidata.org/wiki/Q453762","display_name":"Spinning","level":2,"score":0.35120001435279846},{"id":"https://openalex.org/C45193367","wikidata":"https://www.wikidata.org/wiki/Q1141095","display_name":"Total angular momentum quantum number","level":3,"score":0.3343000113964081},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.33079999685287476},{"id":"https://openalex.org/C2778517922","wikidata":"https://www.wikidata.org/wiki/Q7140482","display_name":"Particle (ecology)","level":2,"score":0.31139999628067017},{"id":"https://openalex.org/C130187892","wikidata":"https://www.wikidata.org/wiki/Q133327","display_name":"Spacetime","level":2,"score":0.2791000008583069},{"id":"https://openalex.org/C32127712","wikidata":"https://www.wikidata.org/wiki/Q3366867","display_name":"Test particle","level":2,"score":0.2694000005722046},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.2653999924659729},{"id":"https://openalex.org/C60718061","wikidata":"https://www.wikidata.org/wiki/Q1414747","display_name":"Momentum (technical analysis)","level":2,"score":0.25290000438690186}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.31791","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.31791","pdf_url":"https://arxiv.org/pdf/2609.31791","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.2609.31791","doi":"https://doi.org/10.48550/arxiv.2609.31791","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.31791","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:2609.31791","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.31791","pdf_url":"https://arxiv.org/pdf/2609.31791","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":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214728538.pdf","grobid_xml":"https://content.openalex.org/works/W7214728538.grobid-xml"},"referenced_works_count":3,"referenced_works":["https://openalex.org/W7151367807","https://openalex.org/W7169596233","https://openalex.org/W7170269467"],"related_works":["https://openalex.org/W7213916324","https://openalex.org/W7213512073","https://openalex.org/W7155485532","https://openalex.org/W2034917705","https://openalex.org/W7203732946","https://openalex.org/W7161858237","https://openalex.org/W7167031111","https://openalex.org/W4306706458","https://openalex.org/W2062008428","https://openalex.org/W7170269467"],"abstract_inverted_index":{"In":[0],"this":[1],"work,":[2],"we":[3],"investigate":[4],"the":[5,14,45,54,58,63,71,87,96,99,107,112,119,126,130,134,138,142,145,150,155,162,165,174,180,185],"unstable":[6,39,176],"circular":[7,40,177],"orbits":[8,178],"of":[9,38,86,95,111,137,144,164],"spinning":[10],"test":[11],"particles":[12],"and":[13,47,90,123,154,171,179],"associated":[15],"classical":[16],"orbital":[17,100,121,151],"chaos":[18,64,88],"bound":[19,89,97,146],"in":[20],"a":[21,27,92,115],"hairy":[22],"black":[23,156],"hole":[24,157],"spacetime":[25],"admitting":[26],"double":[28],"photon":[29],"sphere":[30],"structure.":[31],"This":[32,74],"background":[33,139],"supports":[34],"two":[35],"distinct":[36],"branches":[37],"orbits,":[41],"referred":[42],"to":[43],"as":[44],"inner":[46,59],"outer":[48,72,131],"branches.":[49],"We":[50],"find":[51],"that,":[52],"within":[53],"parameter":[55,136],"ranges":[56],"considered,":[57],"branch":[60],"always":[61],"satisfies":[62],"bound,":[65],"whereas":[66],"violations":[67,85],"can":[68,124],"occur":[69],"on":[70,83,98,118,129],"branch.":[73,101,132],"behavior":[75],"contrasts":[76],"with":[77],"many":[78],"previous":[79],"studies":[80],"focusing":[81],"primarily":[82],"near-horizon":[84],"reveals":[91],"clear":[93],"dependence":[94],"Our":[102],"analysis":[103],"further":[104],"shows":[105],"that":[106],"total":[108],"angular":[109],"momentum":[110],"particle":[113,166],"has":[114],"pronounced":[116],"effect":[117,163],"local":[120],"instability":[122],"enlarge":[125],"bound-violating":[127],"region":[128],"Meanwhile,":[133],"deformation":[135],"geometry":[140],"regulates":[141],"validity":[143],"by":[147],"modifying":[148],"both":[149],"Lyapunov":[152],"exponent":[153],"surface":[158],"gravity.":[159],"By":[160],"contrast,":[161],"spin":[167],"is":[168],"comparatively":[169],"weak":[170],"mainly":[172],"shifts":[173],"existing":[175],"corresponding":[181],"critical":[182],"boundaries":[183],"through":[184],"spin-curvature":[186],"coupling.":[187]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-09-30T00:00:00"}
