{"id":"https://openalex.org/W7166320654","doi":"https://doi.org/10.1142/s0217732326502007","title":"Gravastar in f(\ud835\udcaf,\ud835\udcaf) gravity with Vaidya\u2013Tikekar geometry","display_name":"Gravastar in f(\ud835\udcaf,\ud835\udcaf) gravity with Vaidya\u2013Tikekar geometry","publication_year":2026,"publication_date":"2026-06-27","ids":{"openalex":"https://openalex.org/W7166320654","doi":"https://doi.org/10.1142/s0217732326502007"},"language":"en","primary_location":{"id":"doi:10.1142/s0217732326502007","doi":"https://doi.org/10.1142/s0217732326502007","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0217732326502007","pdf_url":null,"source":{"id":"https://openalex.org/S45468527","display_name":"Modern Physics Letters A","issn_l":"0217-7323","issn":["0217-7323","1793-6632"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Modern Physics Letters A","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5123463576","display_name":"Bharat Singh","orcid":"https://orcid.org/0009-0005-0220-2903","observed_orcids":["https://orcid.org/0009-0005-0220-2903"]},"institutions":[{"id":"https://openalex.org/I265627732","display_name":"National Institute of Technology Manipur","ror":"https://ror.org/00aazk693","country_code":"IN","type":"education","lineage":["https://openalex.org/I265627732"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Bharat Singh","raw_affiliation_strings":["Department of Mathematics, National Institute of Technology, Imphal 795004, Manipur, India"],"raw_orcid":"https://orcid.org/0009-0005-0220-2903","affiliations":[{"raw_affiliation_string":"Department of Mathematics, National Institute of Technology, Imphal 795004, Manipur, India","institution_ids":["https://openalex.org/I265627732"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014720304","display_name":"Sanasam Surendra Singh","orcid":"https://orcid.org/0000-0002-3004-4499","observed_orcids":["https://orcid.org/0000-0002-3004-4499"]},"institutions":[{"id":"https://openalex.org/I265627732","display_name":"National Institute of Technology Manipur","ror":"https://ror.org/00aazk693","country_code":"IN","type":"education","lineage":["https://openalex.org/I265627732"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"S. Surendra Singh","raw_affiliation_strings":["Department of Mathematics, National Institute of Technology, Imphal 795004, Manipur, India"],"raw_orcid":"https://orcid.org/0000-0002-3004-4499","affiliations":[{"raw_affiliation_string":"Department of Mathematics, National Institute of Technology, Imphal 795004, Manipur, India","institution_ids":["https://openalex.org/I265627732"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I265627732"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.53192921,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"41","issue":"36","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":0.8496000170707703,"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":0.8496000170707703,"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/T10025","display_name":"Black Holes and Theoretical Physics","score":0.07329999655485153,"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.01360000018030405,"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/gravastars","display_name":"gravastars","score":0.9620000123977661},{"id":"https://openalex.org/keywords/f-t-t-gravity","display_name":"f(T,T) gravity","score":0.8640000224113464},{"id":"https://openalex.org/keywords/thin-shells","display_name":"thin shells","score":0.7360000014305115},{"id":"https://openalex.org/keywords/negative-energy-density","display_name":"negative energy density","score":0.7080000042915344},{"id":"https://openalex.org/keywords/equation-of-state","display_name":"equation of state","score":0.847000002861023},{"id":"https://openalex.org/keywords/schwarzschild-exterior","display_name":"Schwarzschild exterior","score":0.828000009059906},{"id":"https://openalex.org/keywords/torsion-scalar","display_name":"torsion scalar","score":0.8840000033378601},{"id":"https://openalex.org/keywords/black-hole-alternatives","display_name":"black hole alternatives","score":0.7720000147819519},{"id":"https://openalex.org/keywords/singularity-free-solutions","display_name":"singularity-free solutions","score":0.7160000205039978}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.927299976348877},{"id":"https://openalex.org/C115304011","wikidata":"https://www.wikidata.org/wiki/Q72755","display_name":"Schwarzschild radius","level":3,"score":0.6485000252723694},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.5740000009536743},{"id":"https://openalex.org/C53810900","wikidata":"https://www.wikidata.org/wiki/Q214967","display_name":"Equation of state","level":2,"score":0.5123000144958496},{"id":"https://openalex.org/C166861157","wikidata":"https://www.wikidata.org/wiki/Q59151","display_name":"Cosmological constant","level":2,"score":0.4634000062942505},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.4620000123977661},{"id":"https://openalex.org/C136125196","wikidata":"https://www.wikidata.org/wiki/Q742969","display_name":"Schwarzschild metric","level":3,"score":0.45190000534057617},{"id":"https://openalex.org/C2780990831","wikidata":"https://www.wikidata.org/wiki/Q319141","display_name":"Conjecture","level":2,"score":0.4205000102519989},{"id":"https://openalex.org/C149643647","wikidata":"https://www.wikidata.org/wiki/Q986455","display_name":"Energy condition","level":3,"score":0.4203999936580658},{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.4185999929904938},{"id":"https://openalex.org/C77461463","wikidata":"https://www.wikidata.org/wiki/Q7827201","display_name":"Torsion (gastropod)","level":2,"score":0.40230000019073486},{"id":"https://openalex.org/C50341732","wikidata":"https://www.wikidata.org/wiki/Q880302","display_name":"Black hole (networking)","level":5,"score":0.3643999993801117},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.36230000853538513},{"id":"https://openalex.org/C75291252","wikidata":"https://www.wikidata.org/wiki/Q1315756","display_name":"TRACE (psycholinguistics)","level":2,"score":0.3596999943256378},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.3176000118255615},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.31450000405311584},{"id":"https://openalex.org/C192939610","wikidata":"https://www.wikidata.org/wiki/Q188444","display_name":"Differential geometry","level":2,"score":0.3125},{"id":"https://openalex.org/C118396296","wikidata":"https://www.wikidata.org/wiki/Q329273","display_name":"Gravitational collapse","level":2,"score":0.2935999929904938},{"id":"https://openalex.org/C520416788","wikidata":"https://www.wikidata.org/wiki/Q5419229","display_name":"Exact solutions in general relativity","level":2,"score":0.267300009727478},{"id":"https://openalex.org/C22492302","wikidata":"https://www.wikidata.org/wiki/Q2297853","display_name":"Gravitational energy","level":3,"score":0.25999999046325684},{"id":"https://openalex.org/C2781052500","wikidata":"https://www.wikidata.org/wiki/Q2230313","display_name":"Shell (structure)","level":2,"score":0.2515999972820282}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0217732326502007","doi":"https://doi.org/10.1142/s0217732326502007","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0217732326502007","pdf_url":null,"source":{"id":"https://openalex.org/S45468527","display_name":"Modern Physics Letters A","issn_l":"0217-7323","issn":["0217-7323","1793-6632"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Modern Physics Letters A","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"score":0.7581632733345032,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W31742024","https://openalex.org/W1541738557","https://openalex.org/W1680879709","https://openalex.org/W1853767801","https://openalex.org/W1976030533","https://openalex.org/W1983456591","https://openalex.org/W1989396088","https://openalex.org/W2003886008","https://openalex.org/W2011317280","https://openalex.org/W2017762678","https://openalex.org/W2018370556","https://openalex.org/W2024675465","https://openalex.org/W2027627752","https://openalex.org/W2027875859","https://openalex.org/W2046092404","https://openalex.org/W2049195340","https://openalex.org/W2051556588","https://openalex.org/W2064222190","https://openalex.org/W2069042714","https://openalex.org/W2073832139","https://openalex.org/W2074968615","https://openalex.org/W2095546204","https://openalex.org/W2100655944","https://openalex.org/W2101862267","https://openalex.org/W2102716046","https://openalex.org/W2115689195","https://openalex.org/W2123076672","https://openalex.org/W2154422137","https://openalex.org/W2168566577","https://openalex.org/W2170860437","https://openalex.org/W2462842490","https://openalex.org/W2471881830","https://openalex.org/W2492805989","https://openalex.org/W2498126760","https://openalex.org/W2560155379","https://openalex.org/W2594787117","https://openalex.org/W2612954291","https://openalex.org/W2740650597","https://openalex.org/W2750244816","https://openalex.org/W2782915506","https://openalex.org/W3102749304","https://openalex.org/W3194111345","https://openalex.org/W4232247040","https://openalex.org/W4234933822","https://openalex.org/W4382515454","https://openalex.org/W4387495988","https://openalex.org/W4391246715","https://openalex.org/W4407590278","https://openalex.org/W4412176946","https://openalex.org/W4412815730","https://openalex.org/W7122840146"],"related_works":[],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"introduce":[4],"a":[5,26,47,62],"Gravastar":[6,34,110],"model":[7,35],"based":[8],"on":[9],"the":[10,14,52,55,77,82,87,91,100,117,123,126,130],"Mazur\u2013Mottola":[11],"conjecture":[12],"within":[13],"framework":[15],"of":[16,37,54,71,90,125],"[Formula:":[17],"see":[18],"text]":[19],"gravity.":[20],"Gravastars":[21],"are":[22],"widely":[23],"regarded":[24],"as":[25],"plausible":[27],"alternative":[28],"to":[29],"black":[30],"holes":[31],"(BHs).":[32],"The":[33,43,67,94],"consists":[36],"internal,":[38],"intermediate,":[39],"and":[40,129],"outer":[41],"regions.":[42],"thin":[44],"shell":[45],"experiences":[46],"repulsive":[48,88],"force":[49],"arising":[50],"from":[51],"pressure":[53,85],"internal":[56],"core,":[57],"which":[58],"is":[59,74,97,120],"characterized":[60],"by":[61,76,122],"constant":[63],"negative":[64],"energy":[65],"density.":[66],"Zel\u2019dovich":[68],"stiff-fluid":[69],"equation":[70],"state":[72],"(EoS)":[73],"satisfied":[75],"ultra-relativistic":[78],"plasma":[79],"that":[80],"constitutes":[81],"shell,":[83],"whose":[84],"counterbalances":[86],"influence":[89],"interior":[92],"region.":[93,103],"Schwarzschild":[95],"solution":[96],"followed":[98],"in":[99,107],"exterior":[101],"vacuum":[102],"These":[104],"assumptions":[105],"result":[106],"precise,":[108],"singularity-free":[109],"solutions":[111],"with":[112],"physically":[113],"consistent":[114],"features,":[115],"where":[116],"gravitational":[118],"sector":[119],"determined":[121],"trace":[124],"energy\u2013momentum":[127],"tensor":[128],"torsion":[131],"scalar.":[132]},"counts_by_year":[],"updated_date":"2026-10-02T10:15:12.560889","created_date":"2026-06-28T00:00:00"}
