{"id":"https://openalex.org/W7215758185","doi":"https://doi.org/10.48550/arxiv.2610.01701","title":"Thermodynamic signatures do not uniquely identify deconfinement in neutron stars","display_name":"Thermodynamic signatures do not uniquely identify deconfinement in neutron stars","publication_year":2026,"publication_date":"2026-10-01","ids":{"openalex":"https://openalex.org/W7215758185","doi":"https://doi.org/10.48550/arxiv.2610.01701"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.01701","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.01701","pdf_url":"https://arxiv.org/pdf/2610.01701","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/2610.01701","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5155435470","display_name":"Yong-Liang Ma","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ma, Yong-Liang","raw_affiliation_strings":["School of Frontier Sciences , Nanjing University , Suzhou 215163 , China","School of Physics , Nanjing University , Nanjing 210093 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Frontier Sciences , Nanjing University , Suzhou 215163 , China","institution_ids":["https://openalex.org/I881766915"]},{"raw_affiliation_string":"School of Physics , Nanjing University , Nanjing 210093 , China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081489864","display_name":"xiong jia-ying","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiong, Jia-Ying","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"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":0.8715999722480774,"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":0.8715999722480774,"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/T10093","display_name":"Nuclear physics research studies","score":0.10490000247955322,"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/T10224","display_name":"Quantum Chromodynamics and Particle Interactions","score":0.004999999888241291,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/neutron-star-matter","display_name":"neutron star matter","score":0.7170000076293945},{"id":"https://openalex.org/keywords/equation-of-state","display_name":"equation of state","score":0.925000011920929},{"id":"https://openalex.org/keywords/quark-matter","display_name":"quark matter","score":0.6029999852180481},{"id":"https://openalex.org/keywords/deconfinement","display_name":"deconfinement","score":0.9430000185966492},{"id":"https://openalex.org/keywords/polytropic-index","display_name":"polytropic index","score":0.9639999866485596},{"id":"https://openalex.org/keywords/sound-velocity","display_name":"sound velocity","score":0.7239999771118164},{"id":"https://openalex.org/keywords/nucleonic-matter","display_name":"nucleonic matter","score":0.6330000162124634},{"id":"https://openalex.org/keywords/tidal-deformability","display_name":"tidal deformability","score":0.8980000019073486},{"id":"https://openalex.org/keywords/heavy-ion-collisions","display_name":"heavy-ion collisions","score":0.6769999861717224},{"id":"https://openalex.org/keywords/symbolic-regression","display_name":"symbolic regression","score":0.9589999914169312}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8989999890327454},{"id":"https://openalex.org/C192887742","wikidata":"https://www.wikidata.org/wiki/Q4202","display_name":"Neutron star","level":2,"score":0.7358999848365784},{"id":"https://openalex.org/C2781249807","wikidata":"https://www.wikidata.org/wiki/Q613812","display_name":"Deconfinement","level":3,"score":0.5306000113487244},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.48809999227523804},{"id":"https://openalex.org/C53810900","wikidata":"https://www.wikidata.org/wiki/Q214967","display_name":"Equation of state","level":2,"score":0.45669999718666077},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.45590001344680786},{"id":"https://openalex.org/C132459708","wikidata":"https://www.wikidata.org/wiki/Q744069","display_name":"Extrapolation","level":2,"score":0.4544000029563904},{"id":"https://openalex.org/C152568617","wikidata":"https://www.wikidata.org/wiki/Q2348","display_name":"Neutron","level":2,"score":0.39579999446868896},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.37860000133514404},{"id":"https://openalex.org/C165410206","wikidata":"https://www.wikidata.org/wiki/Q7068141","display_name":"Nuclear matter","level":3,"score":0.3508000075817108},{"id":"https://openalex.org/C2780897414","wikidata":"https://www.wikidata.org/wiki/Q7600592","display_name":"Star (game theory)","level":2,"score":0.3425000011920929},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.33239999413490295},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.3257000148296356},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.3052000105381012},{"id":"https://openalex.org/C151342819","wikidata":"https://www.wikidata.org/wiki/Q62542","display_name":"Phase space","level":2,"score":0.29440000653266907},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.2919999957084656},{"id":"https://openalex.org/C142475440","wikidata":"https://www.wikidata.org/wiki/Q831024","display_name":"Polytropic process","level":2,"score":0.2858000099658966},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.28369998931884766},{"id":"https://openalex.org/C181686392","wikidata":"https://www.wikidata.org/wiki/Q2591394","display_name":"Domain wall (magnetism)","level":4,"score":0.2833999991416931},{"id":"https://openalex.org/C111309251","wikidata":"https://www.wikidata.org/wiki/Q11547","display_name":"Cosmic ray","level":2,"score":0.2806999981403351},{"id":"https://openalex.org/C59375849","wikidata":"https://www.wikidata.org/wiki/Q5013513","display_name":"COSMIC cancer database","level":2,"score":0.27799999713897705},{"id":"https://openalex.org/C28594881","wikidata":"https://www.wikidata.org/wiki/Q925640","display_name":"Strange matter","level":3,"score":0.27730000019073486},{"id":"https://openalex.org/C527412718","wikidata":"https://www.wikidata.org/wiki/Q855395","display_name":"Interpretation (philosophy)","level":2,"score":0.27469998598098755},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.2678000032901764},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.2662000060081482},{"id":"https://openalex.org/C203763787","wikidata":"https://www.wikidata.org/wiki/Q371029","display_name":"Null (SQL)","level":2,"score":0.26440000534057617},{"id":"https://openalex.org/C73586568","wikidata":"https://www.wikidata.org/wiki/Q2600211","display_name":"Parameter space","level":2,"score":0.2624000012874603},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.2597000002861023},{"id":"https://openalex.org/C117137515","wikidata":"https://www.wikidata.org/wiki/Q238170","display_name":"Quantum chromodynamics","level":2,"score":0.2540999948978424}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.01701","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.01701","pdf_url":"https://arxiv.org/pdf/2610.01701","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.2610.01701","doi":"https://doi.org/10.48550/arxiv.2610.01701","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.01701","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:2610.01701","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.01701","pdf_url":"https://arxiv.org/pdf/2610.01701","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/G2712368410","display_name":null,"funder_award_id":"12547104","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7215758185.pdf","grobid_xml":"https://content.openalex.org/works/W7215758185.grobid-xml"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W1529711655","https://openalex.org/W1974455323","https://openalex.org/W1975411491","https://openalex.org/W1979654065","https://openalex.org/W2000369662","https://openalex.org/W2004483368","https://openalex.org/W2007779595","https://openalex.org/W2024112767","https://openalex.org/W2035638410","https://openalex.org/W2042825346","https://openalex.org/W2048760155","https://openalex.org/W2065119767","https://openalex.org/W2086256523","https://openalex.org/W2094188491","https://openalex.org/W2123493774","https://openalex.org/W2123647356","https://openalex.org/W2167572849","https://openalex.org/W2240169580","https://openalex.org/W2765081049","https://openalex.org/W2765162766","https://openalex.org/W2766840380","https://openalex.org/W2778488581","https://openalex.org/W2781486474","https://openalex.org/W2782616980","https://openalex.org/W2783195820","https://openalex.org/W2805726701","https://openalex.org/W2806360678","https://openalex.org/W2903413419","https://openalex.org/W2999365684","https://openalex.org/W3099999249","https://openalex.org/W3103474194","https://openalex.org/W3111492110","https://openalex.org/W4221147023","https://openalex.org/W4309039188","https://openalex.org/W4309195469","https://openalex.org/W4313304527","https://openalex.org/W4319077698","https://openalex.org/W4385554067","https://openalex.org/W4386865468","https://openalex.org/W4389943410","https://openalex.org/W4390907984","https://openalex.org/W4394782244","https://openalex.org/W4400518961","https://openalex.org/W4403542247","https://openalex.org/W4404961600","https://openalex.org/W4415657069","https://openalex.org/W4416977904","https://openalex.org/W7133306154","https://openalex.org/W7151102128","https://openalex.org/W7167505299","https://openalex.org/W7203739442"],"related_works":["https://openalex.org/W1577308652","https://openalex.org/W1995898585","https://openalex.org/W4353112969","https://openalex.org/W4381614297","https://openalex.org/W2949588109","https://openalex.org/W7030659481","https://openalex.org/W1984348265","https://openalex.org/W4408168506","https://openalex.org/W1555089053","https://openalex.org/W2969290175"],"abstract_inverted_index":{"The":[0],"smallness":[1],"of":[2,11,27,30,130,171,207,211,213],"polytropic":[3],"index":[4],"$\u0393_\\varepsilon":[5],"\\lesssim":[6],"1.75$":[7],"and":[8,54,59,62,84,111,139,193],"near":[9],"conformality":[10],"sound":[12],"velocity":[13],"$c_s^2":[14],"\\approx":[15],"1/3$":[16],"in":[17,40],"neutron":[18,55],"star":[19,56],"matter":[20,52],"are":[21,86],"usually":[22],"referred":[23],"to":[24,100,120],"as":[25],"signals":[26],"the":[28,41,65,72,78,90,95,125,152,159,165,168,177,202,208],"emergence":[29],"quark":[31],"matter.":[32,102],"We":[33,123],"construct":[34],"a":[35,188],"density-resolved":[36,190],"nucleonic":[37,46,73,153,203],"reference":[38],"domain":[39,66,74,126,154],"\\((P/P_{\\rm":[42],"free},\u0393_\\varepsilon)\\)":[43],"plane":[44],"using":[45],"EoSs":[47],"jointly":[48],"constrained":[49],"by":[50,133,141],"nuclear":[51,117],"properties":[53],"mass,":[57],"radius":[58],"tidal":[60],"data,":[61],"found":[63],"that":[64,89,196],"extends":[67],"unambiguously":[68],"below":[69],"\\(\u0393_\\varepsilon=1.75\\).":[70],"Crucially,":[71],"becomes":[75],"stable":[76],"against":[77],"truncation":[79],"order":[80],"only":[81],"after":[82,163],"\\(Z_0\\)":[83],"\\(Z_{sym}\\)":[85],"included,":[87],"showing":[88],"higher-order":[91],"density":[92],"dependence":[93],"controls":[94],"extrapolation":[96],"from":[97],"finite":[98],"nuclei":[99],"neutron-star":[101],"These":[103],"findings":[104],"therefore":[105],"provide":[106],"concrete":[107],"targets":[108],"for":[109],"finite-nucleus":[110],"heavy-ion":[112],"experiments,":[113],"while":[114],"linking":[115],"terrestrial":[116],"physics":[118],"directly":[119],"multimessenger":[121,166],"observations.":[122],"compare":[124],"with":[127],"smooth":[128],"equations":[129],"state":[131],"generated":[132],"neural":[134],"networks":[135],"without":[136],"phase":[137],"labels":[138],"represented":[140],"symbolic":[142],"regression.":[143],"Among":[144],"these":[145],"reconstructions,":[146],"\\(35.29\\%\\)":[147],"have":[148],"complete":[149],"trajectories":[150],"inside":[151],"over":[155,205],"\\(0.5\\leq":[156],"n/n_0\\leq8\\).":[157],"Within":[158],"EoS":[160],"sample":[161],"obtained":[162],"minimizing":[164],"loss,":[167],"smallest":[169],"value":[170,179],"\\(\\max_n":[172],"c_s^2(n)\\)":[173],"is":[174],"0.38,":[175],"above":[176],"conformal":[178],"$1/3$.":[180],"In":[181],"conclusion,":[182],"we":[183],"convert":[184],"microscopic":[185],"interpretation":[186],"into":[187],"falsifiable,":[189],"null-hypothesis":[191],"test":[192],"show":[194],"quantitatively":[195],"current":[197],"observations":[198],"do":[199],"not":[200],"reject":[201],"null":[204],"much":[206],"admissible":[209],"space":[210],"equation":[212],"state.":[214]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-10-03T00:00:00"}
