{"id":"https://openalex.org/W2061905596","doi":"https://doi.org/10.1007/bf00649467","title":"The Einstein-Maxwell field equations, II","display_name":"The Einstein-Maxwell field equations, II","publication_year":1981,"publication_date":"1981-07-01","ids":{"openalex":"https://openalex.org/W2061905596","doi":"https://doi.org/10.1007/bf00649467","mag":"2061905596"},"language":"en","primary_location":{"id":"doi:10.1007/bf00649467","doi":"https://doi.org/10.1007/bf00649467","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf00649467","pdf_url":null,"source":{"id":"https://openalex.org/S121986758","display_name":"Astrophysics and Space Science","issn_l":"0004-640X","issn":["0004-640X","1572-946X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Astrophysics and Space Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5080446573","display_name":"Demetrios D. Dionysiou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405256334","display_name":"Hellenic Air Force Academy","ror":"https://ror.org/041awyd76","country_code":"GR","type":"education","lineage":["https://openalex.org/I2802113776","https://openalex.org/I4405256334"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Demetrios D. Dionysiou","raw_affiliation_strings":["Department of Mathematics, Hellenic Air-Force Academy, Dekelia, Attica, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Hellenic Air-Force Academy, Dekelia, Attica, Greece","institution_ids":["https://openalex.org/I4405256334"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5080446573"],"corresponding_institution_ids":["https://openalex.org/I4405256334"],"apc_list":{"value":3490,"currency":"USD","value_usd":3490},"apc_paid":null,"fwci":1.5795,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.84184833,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"77","issue":"2","first_page":"383","last_page":"389"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11960","display_name":"Relativity and Gravitational Theory","score":0.9721999764442444,"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/T11960","display_name":"Relativity and Gravitational Theory","score":0.9721999764442444,"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.017899999395012856,"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/T11683","display_name":"Quantum and Classical Electrodynamics","score":0.0034000000450760126,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/einstein-maxwell-equations","display_name":"Einstein-Maxwell equations","score":0.972000002861023},{"id":"https://openalex.org/keywords/conservation-laws","display_name":"conservation laws","score":0.9309999942779541},{"id":"https://openalex.org/keywords/unified-field-theory","display_name":"unified field theory","score":0.9390000104904175},{"id":"https://openalex.org/keywords/einstein-field-equations","display_name":"Einstein field equations","score":0.47099998593330383},{"id":"https://openalex.org/keywords/particular-solutions","display_name":"particular solutions","score":0.5920000076293945},{"id":"https://openalex.org/keywords/wave-equation-solutions","display_name":"wave equation solutions","score":0.4909999966621399},{"id":"https://openalex.org/keywords/electromagnetic-fields-in-curved-spacetime","display_name":"electromagnetic fields in curved spacetime","score":0.5950000286102295}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8131123781204224},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.6610669493675232},{"id":"https://openalex.org/C43498160","wikidata":"https://www.wikidata.org/wiki/Q1076013","display_name":"Electromagnetic tensor","level":3,"score":0.654303252696991},{"id":"https://openalex.org/C59282198","wikidata":"https://www.wikidata.org/wiki/Q51501","display_name":"Maxwell's equations","level":2,"score":0.6516231298446655},{"id":"https://openalex.org/C28843909","wikidata":"https://www.wikidata.org/wiki/Q177625","display_name":"Electromagnetic field","level":2,"score":0.5964087843894958},{"id":"https://openalex.org/C34683368","wikidata":"https://www.wikidata.org/wiki/Q6483803","display_name":"Lanczos tensor","level":5,"score":0.5789945721626282},{"id":"https://openalex.org/C14257148","wikidata":"https://www.wikidata.org/wiki/Q558066","display_name":"Gravitational field","level":2,"score":0.5539038181304932},{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.5438223481178284},{"id":"https://openalex.org/C108804581","wikidata":"https://www.wikidata.org/wiki/Q5447001","display_name":"Field equation","level":2,"score":0.540049135684967},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.536517322063446},{"id":"https://openalex.org/C146846114","wikidata":"https://www.wikidata.org/wiki/Q901448","display_name":"Einstein","level":2,"score":0.531265914440155},{"id":"https://openalex.org/C27877202","wikidata":"https://www.wikidata.org/wiki/Q2603912","display_name":"Classical field theory","level":3,"score":0.5003292560577393},{"id":"https://openalex.org/C3445786","wikidata":"https://www.wikidata.org/wiki/Q205805","display_name":"Conservation law","level":2,"score":0.48720234632492065},{"id":"https://openalex.org/C26405456","wikidata":"https://www.wikidata.org/wiki/Q338","display_name":"Cosmology","level":2,"score":0.45333510637283325},{"id":"https://openalex.org/C147452769","wikidata":"https://www.wikidata.org/wiki/Q11452","display_name":"General relativity","level":2,"score":0.43018943071365356},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.42715516686439514},{"id":"https://openalex.org/C520416788","wikidata":"https://www.wikidata.org/wiki/Q5419229","display_name":"Exact solutions in general relativity","level":2,"score":0.38656285405158997},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.3558419942855835},{"id":"https://openalex.org/C166077713","wikidata":"https://www.wikidata.org/wiki/Q1758924","display_name":"Tensor field","level":3,"score":0.24943047761917114},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.2398855984210968},{"id":"https://openalex.org/C148125525","wikidata":"https://www.wikidata.org/wiki/Q904927","display_name":"Tensor density","level":4,"score":0.1541963517665863},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.10920563340187073},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1066262423992157}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf00649467","doi":"https://doi.org/10.1007/bf00649467","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf00649467","pdf_url":null,"source":{"id":"https://openalex.org/S121986758","display_name":"Astrophysics and Space Science","issn_l":"0004-640X","issn":["0004-640X","1572-946X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Astrophysics and Space Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1981837094","https://openalex.org/W1994630860","https://openalex.org/W1994865373","https://openalex.org/W2047311290","https://openalex.org/W2087628824","https://openalex.org/W3039083618","https://openalex.org/W4385298530","https://openalex.org/W6600310979"],"related_works":["https://openalex.org/W21525829","https://openalex.org/W6931152224","https://openalex.org/W2063868846","https://openalex.org/W2158560708","https://openalex.org/W4205591724","https://openalex.org/W2976733051","https://openalex.org/W3108977618","https://openalex.org/W1999101617","https://openalex.org/W1993144224","https://openalex.org/W2992600469"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
