{"id":"https://openalex.org/W2001064701","doi":"https://doi.org/10.1002/ett.4460020216","title":"Application of tricomi functions in the eigenvalue analysis of the circular gyrotropic waveguide","display_name":"Application of tricomi functions in the eigenvalue analysis of the circular gyrotropic waveguide","publication_year":1991,"publication_date":"1991-03-01","ids":{"openalex":"https://openalex.org/W2001064701","doi":"https://doi.org/10.1002/ett.4460020216","mag":"2001064701"},"language":"en","primary_location":{"id":"doi:10.1002/ett.4460020216","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ett.4460020216","pdf_url":null,"source":{"id":"https://openalex.org/S4393917101","display_name":"European Transactions on Telecommunications","issn_l":"1124-318X","issn":["1124-318X","1541-8251"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European Transactions on Telecommunications","raw_type":"journal-article"},"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/A5052370964","display_name":"K.P. Ivanov","orcid":null},"institutions":[{"id":"https://openalex.org/I4210117802","display_name":"Institute of Electronics","ror":"https://ror.org/0299eyn73","country_code":"BG","type":"nonprofit","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210117802"]},{"id":"https://openalex.org/I24768866","display_name":"Bulgarian Academy of Sciences","ror":"https://ror.org/01x8hew03","country_code":"BG","type":"funder","lineage":["https://openalex.org/I24768866"]}],"countries":["BG"],"is_corresponding":true,"raw_author_name":"Kamen P. Ivanov","raw_affiliation_strings":["Department of Microwave Physics and Techniques, Institute of Electronics, Bulgarian Academy of Sciences, Boul. Lenin 72, Sofia-1784 - Bulgaria","Department of Microwave Physics and Techniques, Institute of Electronics, Bulgarian Academy of Sciences, Boul. Lenin 72, Sofia\u20101784 \u2010 Bulgaria"],"affiliations":[{"raw_affiliation_string":"Department of Microwave Physics and Techniques, Institute of Electronics, Bulgarian Academy of Sciences, Boul. Lenin 72, Sofia-1784 - Bulgaria","institution_ids":["https://openalex.org/I24768866","https://openalex.org/I4210117802"]},{"raw_affiliation_string":"Department of Microwave Physics and Techniques, Institute of Electronics, Bulgarian Academy of Sciences, Boul. Lenin 72, Sofia\u20101784 \u2010 Bulgaria","institution_ids":["https://openalex.org/I24768866"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102837764","display_name":"\u0413\u0435\u043e\u0440\u0433\u0438 \u041d\u0438\u043a\u043e\u043b\u043e\u0432 \u0413\u0435\u043e\u0440\u0433\u0438\u0435\u0432","orcid":"https://orcid.org/0000-0002-8607-8030"},"institutions":[{"id":"https://openalex.org/I196275078","display_name":"St. Cyril and St. Methodius University of Veliko Tarnovo","ror":"https://ror.org/027n8z047","country_code":"BG","type":"education","lineage":["https://openalex.org/I196275078"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Georgi N. Georgiev","raw_affiliation_strings":["Department of Mathematics and Informatics, University of Veliko Tirnovo \u00abSt. St. Cyril and Methodius\u00bb, Veliko Tirnovo-5000 - Bulgaria","Department of Mathematics and Informatics, University of Veliko Tirnovo \u00abSt. St. Cyril and Methodius\u00bb, Veliko Tirnovo\u20105000 \u2010 Bulgaria"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Informatics, University of Veliko Tirnovo \u00abSt. St. Cyril and Methodius\u00bb, Veliko Tirnovo-5000 - Bulgaria","institution_ids":["https://openalex.org/I196275078"]},{"raw_affiliation_string":"Department of Mathematics and Informatics, University of Veliko Tirnovo \u00abSt. St. Cyril and Methodius\u00bb, Veliko Tirnovo\u20105000 \u2010 Bulgaria","institution_ids":["https://openalex.org/I196275078"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5052370964"],"corresponding_institution_ids":["https://openalex.org/I24768866","https://openalex.org/I4210117802"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.10916179,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2","issue":"2","first_page":"259","last_page":"269"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12510","display_name":"Magneto-Optical Properties and Applications","score":0.9919999837875366,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12510","display_name":"Magneto-Optical Properties and Applications","score":0.9919999837875366,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.9911999702453613,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11175","display_name":"Gyrotron and Vacuum Electronics Research","score":0.984499990940094,"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/hypergeometric-function","display_name":"Hypergeometric function","score":0.7360248565673828},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.6924275159835815},{"id":"https://openalex.org/keywords/ferrite","display_name":"Ferrite (magnet)","score":0.5233827829360962},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.5099629163742065},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.49539101123809814},{"id":"https://openalex.org/keywords/characteristic-equation","display_name":"Characteristic equation","score":0.4548199772834778},{"id":"https://openalex.org/keywords/waveguide","display_name":"Waveguide","score":0.45143160223960876},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.4021272659301758},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3652127981185913},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3550257384777069},{"id":"https://openalex.org/keywords/differential-equation","display_name":"Differential equation","score":0.11829268932342529},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.11020302772521973}],"concepts":[{"id":"https://openalex.org/C197320386","wikidata":"https://www.wikidata.org/wiki/Q21028472","display_name":"Hypergeometric function","level":2,"score":0.7360248565673828},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.6924275159835815},{"id":"https://openalex.org/C37210646","wikidata":"https://www.wikidata.org/wiki/Q5105088","display_name":"Ferrite (magnet)","level":2,"score":0.5233827829360962},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.5099629163742065},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.49539101123809814},{"id":"https://openalex.org/C53744967","wikidata":"https://www.wikidata.org/wiki/Q1062971","display_name":"Characteristic equation","level":3,"score":0.4548199772834778},{"id":"https://openalex.org/C200687136","wikidata":"https://www.wikidata.org/wiki/Q11233438","display_name":"Waveguide","level":2,"score":0.45143160223960876},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4021272659301758},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3652127981185913},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3550257384777069},{"id":"https://openalex.org/C78045399","wikidata":"https://www.wikidata.org/wiki/Q11214","display_name":"Differential equation","level":2,"score":0.11829268932342529},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.11020302772521973}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/ett.4460020216","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ett.4460020216","pdf_url":null,"source":{"id":"https://openalex.org/S4393917101","display_name":"European Transactions on Telecommunications","issn_l":"1124-318X","issn":["1124-318X","1541-8251"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European Transactions on Telecommunications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation","score":0.8500000238418579}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W573723972","https://openalex.org/W1648757229","https://openalex.org/W1948606739","https://openalex.org/W1974015105","https://openalex.org/W1996026976","https://openalex.org/W1997490059","https://openalex.org/W2010562692","https://openalex.org/W2010718690","https://openalex.org/W2015633352","https://openalex.org/W2038595513","https://openalex.org/W2043679714","https://openalex.org/W2049457354","https://openalex.org/W2052959453","https://openalex.org/W2055242321","https://openalex.org/W2057022773","https://openalex.org/W2058149531","https://openalex.org/W2064290153","https://openalex.org/W2065760256","https://openalex.org/W2093823672","https://openalex.org/W2144180301","https://openalex.org/W2154697993","https://openalex.org/W2319392142","https://openalex.org/W4232932408","https://openalex.org/W4243147887","https://openalex.org/W4248282093","https://openalex.org/W4254043663","https://openalex.org/W4285719527","https://openalex.org/W6667133613"],"related_works":["https://openalex.org/W2062626603","https://openalex.org/W2165749285","https://openalex.org/W2474979212","https://openalex.org/W2562455930","https://openalex.org/W2001036795","https://openalex.org/W3093811938","https://openalex.org/W4390092784","https://openalex.org/W127450631","https://openalex.org/W2154748900","https://openalex.org/W1601247381"],"abstract_inverted_index":{"Abstract":[0],"The":[1,105],"complex":[2],"Tricomi":[3,59],"confluent":[4],"hypergeometric":[5],"functions":[6,18],"\u03a6":[7],"(":[8],"a":[9,69,98],",":[10],"c;":[11],"x":[12],")":[13],"are":[14,121],"introduced":[15],"as":[16,111],"exact":[17],"for":[19,97],"propagation":[20],"of":[21,37,43,46,55,58,66,72,85,90,100,107],"normal":[22],"TE":[23,118],"om":[24],"modes":[25],"in":[26,53,116],"circular":[27],"guiding":[28],"structures,":[29],"containing":[30],"coaxially":[31],"positioned":[32],"azimuthally":[33],"magnetized":[34],"ferrite":[35,103],"layer":[36],"double\u2010connected":[38],"cross\u2010section.":[39],"An":[40,88],"original":[41],"form":[42],"characteristic":[44],"equation":[45,74],"the":[47,56,62,67,78,86,108,117],"ferrite\u2010fiiled":[48],"coaxial":[49],"waveguide":[50,110],"is":[51,75,95],"derived":[52],"terms":[54],"arguments":[57],"functions.":[60],"Using":[61],"specially":[63],"tabulated":[64],"values":[65],"latter,":[68],"numerical":[70],"solution":[71],"this":[73],"accomplished,":[76],"giving":[77],"eigenvalue":[79],"spectrum":[80],"and":[81,102],"nonreciprocal":[82,113],"phase":[83,92],"characteristics":[84],"structure.":[87],"analysis":[89],"its":[91],"shifting":[93],"capabilities":[94],"presented":[96],"variety":[99],"geometry":[101],"parameters.":[104],"potentialities":[106],"gyrotropic":[109],"digital":[112],"phaser,":[114],"operating":[115],"01":[119],"mode,":[120],"discussed.":[122]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}