{"id":"https://openalex.org/W7225464079","doi":"https://doi.org/10.5281/zenodo.24033369","title":"Microphysical Origin of the Algebraic Phantom Crossing: A Two-Field Model with Non-Minimal Coupling to Gravity (Preprint)","display_name":"Microphysical Origin of the Algebraic Phantom Crossing: A Two-Field Model with Non-Minimal Coupling to Gravity (Preprint)","publication_year":2026,"publication_date":"2026-11-07","ids":{"openalex":"https://openalex.org/W7225464079","doi":"https://doi.org/10.5281/zenodo.24033369"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.24033369","doi":"https://doi.org/10.5281/zenodo.24033369","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24033369","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.24033369","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5152384891","display_name":"M. Uditha Sandaruwan","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Sandaruwan, M. Uditha","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0009-0006-4909-4505","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5152384891"],"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9994999766349792,"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9994999766349792,"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/T11090","display_name":"Dark Matter and Cosmic Phenomena","score":9.999999747378752e-05,"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/T11415","display_name":"Noncommutative and Quantum Gravity Theories","score":0.0,"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/phantom-divide-crossing","display_name":"phantom crossing","score":0.847000002861023},{"id":"https://openalex.org/keywords/non-minimal-coupling-to-gravity","display_name":"non-minimal coupling to gravity","score":0.7720000147819519},{"id":"https://openalex.org/keywords/two-field-model","display_name":"two-field model","score":0.7639999985694885},{"id":"https://openalex.org/keywords/dark-energy","display_name":"dark energy","score":0.8399999737739563},{"id":"https://openalex.org/keywords/effective-mass","display_name":"effective mass","score":0.5619999766349792},{"id":"https://openalex.org/keywords/exchange-law","display_name":"exchange law","score":0.6579999923706055},{"id":"https://openalex.org/keywords/matter-domination","display_name":"matter domination","score":0.781000018119812},{"id":"https://openalex.org/keywords/branch-selection","display_name":"branch selection","score":0.5609999895095825}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.7623000144958496},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.6158999800682068},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.6123999953269958},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.5013999938964844},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.47609999775886536},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.4016000032424927},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.3813000023365021},{"id":"https://openalex.org/C166126730","wikidata":"https://www.wikidata.org/wiki/Q725309","display_name":"Planck","level":2,"score":0.3626999855041504},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.3555999994277954},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.3555000126361847},{"id":"https://openalex.org/C519991488","wikidata":"https://www.wikidata.org/wiki/Q28865","display_name":"Python (programming language)","level":2,"score":0.35190001130104065},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.3278000056743622},{"id":"https://openalex.org/C9376300","wikidata":"https://www.wikidata.org/wiki/Q168817","display_name":"Algebraic number","level":2,"score":0.3019999861717224},{"id":"https://openalex.org/C101454708","wikidata":"https://www.wikidata.org/wiki/Q17106019","display_name":"Standard Model (mathematical formulation)","level":3,"score":0.2962999939918518},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.2888999879360199},{"id":"https://openalex.org/C184748400","wikidata":"https://www.wikidata.org/wiki/Q2599934","display_name":"Physics beyond the Standard Model","level":2,"score":0.2888000011444092},{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.28859999775886536},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.28760001063346863},{"id":"https://openalex.org/C183276030","wikidata":"https://www.wikidata.org/wiki/Q1193095","display_name":"Coupling constant","level":2,"score":0.2874000072479248},{"id":"https://openalex.org/C520416788","wikidata":"https://www.wikidata.org/wiki/Q5419229","display_name":"Exact solutions in general relativity","level":2,"score":0.2856000065803528},{"id":"https://openalex.org/C73301696","wikidata":"https://www.wikidata.org/wiki/Q5469984","display_name":"Formalism (music)","level":3,"score":0.28349998593330383},{"id":"https://openalex.org/C93959086","wikidata":"https://www.wikidata.org/wiki/Q6888345","display_name":"Model selection","level":2,"score":0.2809999883174896},{"id":"https://openalex.org/C26405456","wikidata":"https://www.wikidata.org/wiki/Q338","display_name":"Cosmology","level":2,"score":0.2784999907016754},{"id":"https://openalex.org/C160234255","wikidata":"https://www.wikidata.org/wiki/Q812535","display_name":"Bayesian inference","level":3,"score":0.2667999863624573},{"id":"https://openalex.org/C2778086583","wikidata":"https://www.wikidata.org/wiki/Q3363554","display_name":"Deceleration parameter","level":4,"score":0.25859999656677246},{"id":"https://openalex.org/C84269361","wikidata":"https://www.wikidata.org/wiki/Q179235","display_name":"Phenomenology (philosophy)","level":2,"score":0.2556000053882599},{"id":"https://openalex.org/C172790937","wikidata":"https://www.wikidata.org/wiki/Q18343","display_name":"Dark energy","level":3,"score":0.2547999918460846}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5281/zenodo.24033369","doi":"https://doi.org/10.5281/zenodo.24033369","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24033369","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.24033370","doi":"https://doi.org/10.5281/zenodo.24033370","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24033370","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.24033369","doi":"https://doi.org/10.5281/zenodo.24033369","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24033369","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/W7225455376","https://openalex.org/W7225450618","https://openalex.org/W7224079685","https://openalex.org/W7223674459","https://openalex.org/W1997656228","https://openalex.org/W7225449716","https://openalex.org/W2114754705","https://openalex.org/W1864476198","https://openalex.org/W7212117169","https://openalex.org/W2810592187"],"abstract_inverted_index":{"In":[0,42],"a":[1,8,21,47,56,61,118,175,192],"recent":[2],"companion":[3],"paper":[4],"[1],":[5],"we":[6,45,110,138],"proposed":[7],"signed-volume":[9],"effective-fluid":[10],"model":[11,32,173],"(SV0)":[12],"in":[13,191],"which":[14,123],"the":[15,26,31,36,39,65,77,80,85,89,100,113,126,141,146,151,154,162,165,171,218,222],"phantom":[16,166],"divide":[17],"is":[18,225],"crossed":[19],"at":[20,35],"structurally":[22],"guaranteed":[23],"redshift.":[24],"However,":[25],"phenomenological":[27],"exchange":[28,91,128],"law":[29,92],"governing":[30],"was":[33],"introduced":[34],"level":[37],"of":[38,51,143,164,180,221],"background":[40,115],"evolution.":[41],"this":[43,52],"work,":[44],"provide":[46],"rigorous":[48],"microphysical":[49],"derivation":[50],"law.":[53],"We":[54,73],"consider":[55],"constrained":[57],"two-field":[58],"configuration":[59],"with":[60,99,134],"non-minimal":[62,86],"coupling":[63,87,101,121],"to":[64],"Ricci":[66],"scalar,":[67],"\u03be":[68,144],"R":[69],"(\u03c7\u00b2":[70],"-":[71],"\u03c8\u00b2).":[72],"show":[74,139],"that":[75,112,140],"during":[76,129],"slow-roll":[78],"regime,":[79],"effective":[81,120,178],"mass":[82,148],"induced":[83],"by":[84],"produces":[88],"exact":[90,114],"dx/dt":[93],"=":[94,107],"\u03b3":[95,106],"H":[96],"x":[97],"(1-x),":[98],"parameter":[102],"naturally":[103,124,160],"identified":[104],"as":[105,174],"32\u03be.":[108],"Furthermore,":[109],"demonstrate":[111],"evolution":[116],"yields":[117],"time-dependent":[119],"\u03b3\u0303(t)":[122],"suppresses":[125],"volume":[127],"matter":[130],"domination,":[131],"ensuring":[132],"consistency":[133],"standard":[135],"cosmology.":[136],"Finally,":[137],"sign":[142],"and":[145,198,205],"soft":[147],"splitting":[149],"between":[150],"fields":[152],"dictate":[153],"branch":[155],"selection":[156],"(x\u2080":[157],">":[158],"1/2),":[159],"resolving":[161],"direction":[163],"crossing.":[167],"This":[168],"work":[169],"establishes":[170],"SV0":[172],"well-motivated,":[176],"first-principles":[177],"theory":[179],"dark":[181],"energy.":[182],"References:[1]":[183],"M.":[184],"U.":[185],"Sandaruwan,":[186],"\"Structurally":[187],"Guaranteed":[188],"Phantom":[189],"Crossing":[190],"Signed-Volume":[193],"Effective":[194],"Fluid:":[195],"Cosmological":[196],"Signatures":[197],"Bayesian":[199],"Evidence":[200],"from":[201],"DESI":[202],"DR2,":[203],"Pantheon+,":[204],"Planck":[206],"2018\"":[207],"(2026).":[208],"Zenodo:":[209],"https://doi.org/10.5281/zenodo.24026844":[210],"Data":[211],"Availability:The":[212],"Python":[213],"(SymPy)":[214],"code":[215],"used":[216],"for":[217],"analytical":[219],"verification":[220],"mathematical":[223],"derivations":[224],"publicly":[226],"available":[227],"on":[228],"Zenodo":[229],"at:":[230],"https://doi.org/10.5281/zenodo.24032977":[231]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-11-08T00:00:00"}