{"id":"https://openalex.org/W7214066606","doi":"https://doi.org/10.48550/arxiv.2609.25910","title":"Gravitational Imprints of Dark Energy in Neutron Stars","display_name":"Gravitational Imprints of Dark Energy in Neutron Stars","publication_year":2026,"publication_date":"2026-09-22","ids":{"openalex":"https://openalex.org/W7214066606","doi":"https://doi.org/10.48550/arxiv.2609.25910"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.25910","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.25910","pdf_url":"https://arxiv.org/pdf/2609.25910","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/2609.25910","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5077734715","display_name":"O. P. Jyothilakshmi","orcid":"https://orcid.org/0000-0002-8814-3676","observed_orcids":["https://orcid.org/0000-0002-8814-3676"]},"institutions":[{"id":"https://openalex.org/I81556334","display_name":"Amrita Vishwa Vidyapeetham","ror":"https://ror.org/03am10p12","country_code":"IN","type":"education","lineage":["https://openalex.org/I81556334"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Jyothilakshmi, O. P.","raw_affiliation_strings":["Department of Physics , Amrita School of Physical Sciences , Amrita Vishwa Vidyapeetham , Coimbatore , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics , Amrita School of Physical Sciences , Amrita Vishwa Vidyapeetham , Coimbatore , India","institution_ids":["https://openalex.org/I81556334"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043851807","display_name":"Lakshmi J. Naik","orcid":"https://orcid.org/0000-0001-5934-1676","observed_orcids":["https://orcid.org/0000-0001-5934-1676"]},"institutions":[{"id":"https://openalex.org/I81556334","display_name":"Amrita Vishwa Vidyapeetham","ror":"https://ror.org/03am10p12","country_code":"IN","type":"education","lineage":["https://openalex.org/I81556334"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Naik, Lakshmi J.","raw_affiliation_strings":["Department of Physics , Amrita School of Physical Sciences , Amrita Vishwa Vidyapeetham , Coimbatore , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics , Amrita School of Physical Sciences , Amrita Vishwa Vidyapeetham , Coimbatore , India","institution_ids":["https://openalex.org/I81556334"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102937442","display_name":"V. Sreekanth","orcid":"https://orcid.org/0000-0003-4373-1834","observed_orcids":["https://orcid.org/0000-0003-4373-1834"]},"institutions":[{"id":"https://openalex.org/I81556334","display_name":"Amrita Vishwa Vidyapeetham","ror":"https://ror.org/03am10p12","country_code":"IN","type":"education","lineage":["https://openalex.org/I81556334"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sreekanth, V.","raw_affiliation_strings":["Department of Physics , Amrita School of Physical Sciences , Amrita Vishwa Vidyapeetham , Coimbatore , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics , Amrita School of Physical Sciences , Amrita Vishwa Vidyapeetham , Coimbatore , India","institution_ids":["https://openalex.org/I81556334"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I81556334"],"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/T10463","display_name":"Pulsars and Gravitational Waves Research","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/T10463","display_name":"Pulsars and Gravitational Waves Research","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/T11323","display_name":"Gamma-ray bursts and supernovae","score":9.999999747378752e-05,"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":9.999999747378752e-05,"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/dark-energy","display_name":"dark energy","score":0.8730000257492065},{"id":"https://openalex.org/keywords/neutron-stars","display_name":"neutron stars","score":0.9829999804496765},{"id":"https://openalex.org/keywords/f-mode-oscillations","display_name":"f-mode oscillations","score":0.9900000095367432},{"id":"https://openalex.org/keywords/tidal-deformability","display_name":"tidal deformability","score":0.878000020980835},{"id":"https://openalex.org/keywords/gravitational-wave-energy","display_name":"gravitational wave energy","score":0.5249999761581421},{"id":"https://openalex.org/keywords/gravitational-wave-strain","display_name":"gravitational wave strain","score":0.875},{"id":"https://openalex.org/keywords/equation-of-state","display_name":"equation of state","score":0.7919999957084656},{"id":"https://openalex.org/keywords/maximum-mass","display_name":"maximum mass","score":0.7580000162124634},{"id":"https://openalex.org/keywords/mass-radius-relation","display_name":"mass-radius relation","score":0.9350000023841858},{"id":"https://openalex.org/keywords/vibration-damping","display_name":"vibration damping","score":0.5849999785423279},{"id":"https://openalex.org/keywords/gw170817","display_name":"GW170817","score":0.8330000042915344},{"id":"https://openalex.org/keywords/gw190814","display_name":"GW190814","score":0.8999999761581421},{"id":"https://openalex.org/keywords/psr-j0030-0451","display_name":"PSR J0030+0451","score":0.9110000133514404},{"id":"https://openalex.org/keywords/psr-j0740-6620","display_name":"PSR J0740+6620","score":0.968999981880188},{"id":"https://openalex.org/keywords/general-relativistic-stellar-structure","display_name":"general relativistic stellar structure","score":0.7200000286102295}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.92330002784729},{"id":"https://openalex.org/C192887742","wikidata":"https://www.wikidata.org/wiki/Q4202","display_name":"Neutron star","level":2,"score":0.8259999752044678},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.6787999868392944},{"id":"https://openalex.org/C190330329","wikidata":"https://www.wikidata.org/wiki/Q190035","display_name":"Gravitational wave","level":2,"score":0.597000002861023},{"id":"https://openalex.org/C2778439541","wikidata":"https://www.wikidata.org/wiki/Q7106412","display_name":"Oscillation (cell signaling)","level":2,"score":0.585099995136261},{"id":"https://openalex.org/C53810900","wikidata":"https://www.wikidata.org/wiki/Q214967","display_name":"Equation of state","level":2,"score":0.5544999837875366},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.4839000105857849},{"id":"https://openalex.org/C172790937","wikidata":"https://www.wikidata.org/wiki/Q18343","display_name":"Dark energy","level":3,"score":0.4812000095844269},{"id":"https://openalex.org/C134222618","wikidata":"https://www.wikidata.org/wiki/Q2713132","display_name":"Mass distribution","level":3,"score":0.42170000076293945},{"id":"https://openalex.org/C110363677","wikidata":"https://www.wikidata.org/wiki/Q4360","display_name":"Pulsar","level":2,"score":0.40630000829696655},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.3671000003814697},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.34950000047683716},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.31290000677108765},{"id":"https://openalex.org/C147452769","wikidata":"https://www.wikidata.org/wiki/Q11452","display_name":"General relativity","level":2,"score":0.29919999837875366},{"id":"https://openalex.org/C14257148","wikidata":"https://www.wikidata.org/wiki/Q558066","display_name":"Gravitational field","level":2,"score":0.2989000082015991},{"id":"https://openalex.org/C197445014","wikidata":"https://www.wikidata.org/wiki/Q5871","display_name":"White dwarf","level":3,"score":0.29350000619888306},{"id":"https://openalex.org/C135889238","wikidata":"https://www.wikidata.org/wiki/Q46276","display_name":"Kinetic energy","level":2,"score":0.29030001163482666},{"id":"https://openalex.org/C43135951","wikidata":"https://www.wikidata.org/wiki/Q1547424","display_name":"Gravitational binding energy","level":4,"score":0.27889999747276306},{"id":"https://openalex.org/C137650753","wikidata":"https://www.wikidata.org/wiki/Q6495","display_name":"Stellar structure","level":4,"score":0.2660999894142151},{"id":"https://openalex.org/C54002840","wikidata":"https://www.wikidata.org/wiki/Q94529","display_name":"Asteroseismology","level":3,"score":0.2653000056743622}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.25910","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.25910","pdf_url":"https://arxiv.org/pdf/2609.25910","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.2609.25910","doi":"https://doi.org/10.48550/arxiv.2609.25910","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.25910","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":"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":"pmh:oai:arXiv.org:2609.25910","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.25910","pdf_url":"https://arxiv.org/pdf/2609.25910","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/W7214066606.pdf","grobid_xml":"https://content.openalex.org/works/W7214066606.grobid-xml"},"referenced_works_count":40,"referenced_works":["https://openalex.org/W1973490432","https://openalex.org/W1985094515","https://openalex.org/W2041766951","https://openalex.org/W2048175118","https://openalex.org/W2055309244","https://openalex.org/W2055765133","https://openalex.org/W2103857591","https://openalex.org/W2124601931","https://openalex.org/W2165591715","https://openalex.org/W2270205340","https://openalex.org/W2765081049","https://openalex.org/W2807309204","https://openalex.org/W2899369961","https://openalex.org/W2904120111","https://openalex.org/W2995178730","https://openalex.org/W2995381361","https://openalex.org/W3036761016","https://openalex.org/W3093005311","https://openalex.org/W3152136163","https://openalex.org/W3153199549","https://openalex.org/W3196511006","https://openalex.org/W3196511915","https://openalex.org/W3199203939","https://openalex.org/W4281296493","https://openalex.org/W4296554665","https://openalex.org/W4316661459","https://openalex.org/W4390647604","https://openalex.org/W4392428481","https://openalex.org/W4394664901","https://openalex.org/W4401896526","https://openalex.org/W4402516068","https://openalex.org/W4404932483","https://openalex.org/W4405187409","https://openalex.org/W4407156685","https://openalex.org/W4409493248","https://openalex.org/W4409801157","https://openalex.org/W4410885858","https://openalex.org/W4412474262","https://openalex.org/W4414875729","https://openalex.org/W7116962756"],"related_works":["https://openalex.org/W7104183261","https://openalex.org/W7213935445","https://openalex.org/W2048175118","https://openalex.org/W4405187409","https://openalex.org/W4415330151","https://openalex.org/W7129502991","https://openalex.org/W7127091205","https://openalex.org/W2910356444","https://openalex.org/W4405498357","https://openalex.org/W4405626224"],"abstract_inverted_index":{"We":[0,26,50,121],"investigate,":[1],"for":[2,38,48,168,204],"the":[3,6,28,52,67,74,85,93,98,124,127,132,141,173,176,192,205,212,218,224,229],"first":[4],"time,":[5],"non-radial":[7],"$f$-mode":[8,55,160,177,219],"oscillations":[9,220],"of":[10,66,77,87,126,232],"neutron":[11,100],"stars":[12],"(NSs)":[13],"with":[14,69,108,147,184,200,217],"a":[15,21,33,42,136,155],"dark":[16],"energy":[17,63,195],"(DE)":[18],"core":[19,71],"utilising":[20],"fully":[22],"general":[23],"relativistic":[24,34],"treatment.":[25],"construct":[27],"stellar":[29,53,142],"profile":[30],"by":[31,72,131],"considering":[32],"mean":[35],"field":[36],"model":[37],"nuclear":[39],"matter":[40],"and":[41,59,64,91,118,144,162,179,189,221],"modified":[43],"Chaplygin":[44],"fluid":[45],"like":[46],"prescription":[47],"DE.":[49],"compute":[51],"structure,":[54],"oscillations,":[56],"tidal":[57,180],"deformability,":[58],"gravitational":[60],"wave":[61],"(GW)":[62],"strain":[65,215],"NS":[68],"DE":[70,75,88,128],"varying":[73],"equation":[76],"state":[78],"(EoS)":[79],"parameters.":[80],"Our":[81],"study":[82],"reveals":[83],"that":[84,123,223],"inclusion":[86],"softens":[89],"EoS":[90],"reduces":[92],"maximum":[94],"mass":[95,157,170,207],"compared":[96],"to":[97],"pure":[99],"star.":[101],"The":[102,159],"obtained":[103],"mass-radius":[104],"values":[105],"are":[106],"consistent":[107,183],"observational":[109,185],"constraints":[110,186],"from":[111,187],"massive":[112],"pulsars":[113],"such":[114],"as":[115],"PSR":[116,119],"J0030+0451":[117],"J0740+6620.":[120],"find":[122,222],"extent":[125],"core,":[129],"determined":[130],"transition":[133,149],"density,":[134],"plays":[135],"crucial":[137],"role":[138],"in":[139],"modifying":[140],"structure":[143],"oscillation":[145,194],"properties,":[146],"lower":[148],"densities":[150],"producing":[151],"appreciable":[152],"changes":[153],"over":[154],"wider":[156],"range.":[158],"frequencies":[161],"damping":[163],"times":[164],"exhibit":[165],"systematic":[166],"modifications,":[167],"higher":[169,206],"configurations,":[171],"while":[172],"correlation":[174],"between":[175],"frequency":[178],"deformability":[181],"remains":[182,197],"GW170817":[188],"GW190814.":[190],"Further,":[191],"normalised":[193],"distribution":[196],"nearly":[198],"universal,":[199],"only":[201],"minimal":[202],"deviations":[203],"configurations.":[208],"Finally,":[209],"we":[210],"estimate":[211],"characteristic":[213],"GW":[214,236],"associated":[216],"predicted":[225],"signals":[226],"lie":[227],"within":[228],"sensitivity":[230],"band":[231],"future":[233],"third":[234],"generation":[235],"detectors.":[237]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-09-24T00:00:00"}