{"id":"https://openalex.org/W4410089340","doi":"https://doi.org/10.1063/5.0263275","title":"A rational view of the beam instabilities","display_name":"A rational view of the beam instabilities","publication_year":2025,"publication_date":"2025-05-01","ids":{"openalex":"https://openalex.org/W4410089340","doi":"https://doi.org/10.1063/5.0263275"},"language":"en","primary_location":{"id":"doi:10.1063/5.0263275","doi":"https://doi.org/10.1063/5.0263275","is_oa":true,"landing_page_url":"https://doi.org/10.1063/5.0263275","pdf_url":null,"source":{"id":"https://openalex.org/S189917590","display_name":"AIP Advances","issn_l":"2158-3226","issn":["2158-3226"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AIP Advances","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1063/5.0263275","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5033579071","display_name":"Yasuhito Narita","orcid":"https://orcid.org/0000-0002-5332-8881","observed_orcids":["https://orcid.org/0000-0002-5332-8881"]},"institutions":[{"id":"https://openalex.org/I94509681","display_name":"Technische Universit\u00e4t Braunschweig","ror":"https://ror.org/010nsgg66","country_code":"DE","type":"education","lineage":["https://openalex.org/I94509681"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Y. Narita","raw_affiliation_strings":["Institut f\u00fcr Theoretische Physik, Technische Universit\u00e4t Braunschweig , Mendelssohnstr. 3, D-38106 Braunschweig,"],"raw_orcid":"https://orcid.org/0000-0002-5332-8881","affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Theoretische Physik, Technische Universit\u00e4t Braunschweig , Mendelssohnstr. 3, D-38106 Braunschweig,","institution_ids":["https://openalex.org/I94509681"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060021309","display_name":"U. Motschmann","orcid":"https://orcid.org/0000-0002-4909-3127","observed_orcids":["https://orcid.org/0000-0002-4909-3127"]},"institutions":[{"id":"https://openalex.org/I94509681","display_name":"Technische Universit\u00e4t Braunschweig","ror":"https://ror.org/010nsgg66","country_code":"DE","type":"education","lineage":["https://openalex.org/I94509681"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"U. Motschmann","raw_affiliation_strings":["Institut f\u00fcr Theoretische Physik, Technische Universit\u00e4t Braunschweig , Mendelssohnstr. 3, D-38106 Braunschweig,"],"raw_orcid":"https://orcid.org/0000-0002-4909-3127","affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Theoretische Physik, Technische Universit\u00e4t Braunschweig , Mendelssohnstr. 3, D-38106 Braunschweig,","institution_ids":["https://openalex.org/I94509681"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I94509681"],"apc_list":{"value":1350,"currency":"USD","value_usd":1350},"apc_paid":{"value":1350,"currency":"USD","value_usd":1350},"fwci":1.1112,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.73419637,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"15","issue":"5","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11603","display_name":"Dust and Plasma Wave Phenomena","score":0.6729000210762024,"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"}},"topics":[{"id":"https://openalex.org/T11603","display_name":"Dust and Plasma Wave Phenomena","score":0.6729000210762024,"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"}},{"id":"https://openalex.org/T11175","display_name":"Gyrotron and Vacuum Electronics Research","score":0.14509999752044678,"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"}},{"id":"https://openalex.org/T10346","display_name":"Magnetic confinement fusion research","score":0.05400000140070915,"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/beam-instabilities","display_name":"beam instabilities","score":0.9300000071525574},{"id":"https://openalex.org/keywords/dielectric-tensor","display_name":"dielectric tensor","score":0.968999981880188},{"id":"https://openalex.org/keywords/singularity-removal","display_name":"singularity removal","score":0.9110000133514404},{"id":"https://openalex.org/keywords/dispersion-relation","display_name":"dispersion relation","score":0.8130000233650208},{"id":"https://openalex.org/keywords/non-thermal-plasma","display_name":"non-thermal plasma","score":0.8560000061988831},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"covariance matrix","score":0.6470000147819519},{"id":"https://openalex.org/keywords/wave-equation","display_name":"wave equation","score":0.5720000267028809}],"concepts":[{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.47222092747688293},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4160705506801605},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.27322161197662354}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1063/5.0263275","doi":"https://doi.org/10.1063/5.0263275","is_oa":true,"landing_page_url":"https://doi.org/10.1063/5.0263275","pdf_url":null,"source":{"id":"https://openalex.org/S189917590","display_name":"AIP Advances","issn_l":"2158-3226","issn":["2158-3226"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AIP Advances","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:5b2d0ba42d344346bb99580bf376c566","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/5b2d0ba42d344346bb99580bf376c566","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"AIP Advances, Vol 15, Iss 5, Pp 055104-055104-8 (2025)","raw_type":"article"},{"id":"pmh:oai:https://leopard.tu-braunschweig.de/:dbbs_mods_00078815","doi":null,"is_oa":true,"landing_page_url":"https://nbn-resolving.org/urn:nbn:de:gbv:084-2025062011537","pdf_url":null,"source":{"id":"https://openalex.org/S4306402617","display_name":"Digitale Bibliothek Braunschweig (Verbundzentrale G\u00f6ttingen (VZG))","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210149878","host_organization_name":"Verbundzentrale des GBV","host_organization_lineage":["https://openalex.org/I4210149878"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:pure.mpg.de:item_3712219","doi":null,"is_oa":false,"landing_page_url":"https://hdl.handle.net/21.11116/0000-0013-1F46-B","pdf_url":null,"source":{"id":"https://openalex.org/S4306400654","display_name":"MPG.PuRe (Max Planck Society)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I149899117","host_organization_name":"Max Planck Society","host_organization_lineage":["https://openalex.org/I149899117"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"AIP Advances","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1063/5.0263275","doi":"https://doi.org/10.1063/5.0263275","is_oa":true,"landing_page_url":"https://doi.org/10.1063/5.0263275","pdf_url":null,"source":{"id":"https://openalex.org/S189917590","display_name":"AIP Advances","issn_l":"2158-3226","issn":["2158-3226"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AIP Advances","raw_type":"journal-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2003991391","https://openalex.org/W2005788736","https://openalex.org/W2036461374","https://openalex.org/W2153518548","https://openalex.org/W2513582810","https://openalex.org/W2914381432","https://openalex.org/W2952090737","https://openalex.org/W3177398757","https://openalex.org/W4396570240"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2935759653","https://openalex.org/W3105167352","https://openalex.org/W54078636","https://openalex.org/W2954470139","https://openalex.org/W1501425562","https://openalex.org/W2902782467","https://openalex.org/W3084825885","https://openalex.org/W2298861036","https://openalex.org/W2271181815"],"abstract_inverted_index":{"Constructing":[0],"the":[1,23,29,41,51,55,69,72,78,81,88,91,101,113,128,137,143],"dielectric":[2,24,56],"tensor":[3,25],"of":[4,12,50,54,80,171],"a":[5,17,33,64,158],"beam-component":[6],"plasma":[7,35],"necessarily":[8],"introduces":[9],"various":[10,169],"kinds":[11],"singularities.":[13],"Here,":[14],"we":[15],"present":[16],"rational":[18,65],"singularity-removal":[19],"method":[20,46,86,108,132],"for":[21,28,168],"constructing":[22],"and":[26,71,98,121,153,173],"solving":[27],"dispersion":[30,146,159],"relation":[31],"in":[32,117],"cold":[34],"with":[36],"beam":[37,115,129,139],"components.":[38],"We":[39],"retain":[40],"finite":[42],"electron":[43],"mass.":[44],"The":[45,58,83,107,131],"makes":[47],"extensive":[48],"use":[49],"polynomial":[52],"expression":[53,66],"tensor.":[57],"wave":[59],"equation":[60],"is":[61,94,109,133,150],"arranged":[62],"into":[63],"by":[67],"removing":[68],"singularities":[70],"unphysical":[73],"modes":[74,104],"prior":[75],"to":[76,136],"finding":[77],"roots":[79],"equation.":[82],"singularity":[84],"removal":[85],"has":[87],"advantages":[89],"that":[90,99],"seed":[92],"frequency":[93],"no":[95],"longer":[96],"needed":[97],"all":[100],"physically":[102],"relevant":[103],"are":[105],"obtained.":[106],"successfully":[110],"tested":[111],"against":[112],"right-hand":[114],"instability,":[116,140],"which":[118,141],"both":[119],"single":[120],"triple":[122],"solutions":[123],"may":[124],"appear,":[125],"depending":[126],"on":[127],"velocity.":[130],"also":[134],"applied":[135],"oblique":[138],"incorporates":[142],"full":[144],"3-by-3":[145],"matrix.":[147],"Our":[148],"algorithm":[149],"computationally":[151],"inexpensive":[152],"can":[154],"be":[155],"used":[156],"as":[157,161,163],"solver":[160],"well":[162],"an":[164],"instability":[165,174],"analysis":[166],"tool":[167],"setups":[170],"beams":[172],"scenarios.":[175]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2025-10-10T00:00:00"}