{"id":"https://openalex.org/W4293249733","doi":"https://doi.org/10.37394/23206.2022.21.32","title":"A Comparison with Theory of Computation and Estimation of Pitch-Angle Diffusion Coefficients from Simulations in Noisy Reduced Magnetohydrodynamic Turbulence","display_name":"A Comparison with Theory of Computation and Estimation of Pitch-Angle Diffusion Coefficients from Simulations in Noisy Reduced Magnetohydrodynamic Turbulence","publication_year":2022,"publication_date":"2022-05-20","ids":{"openalex":"https://openalex.org/W4293249733","doi":"https://doi.org/10.37394/23206.2022.21.32"},"language":"en","primary_location":{"id":"doi:10.37394/23206.2022.21.32","doi":"https://doi.org/10.37394/23206.2022.21.32","is_oa":true,"landing_page_url":"https://doi.org/10.37394/23206.2022.21.32","pdf_url":"https://doi.org/10.37394/23206.2022.21.32","source":{"id":"https://openalex.org/S4210205242","display_name":"WSEAS TRANSACTIONS ON MATHEMATICS","issn_l":"1109-2769","issn":["1109-2769","2224-2880"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific","poland-20","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310320666","host_organization_name":"World Scientific and Engineering Academy and Society","host_organization_lineage":["https://openalex.org/P4310320666"],"host_organization_lineage_names":["World Scientific and Engineering Academy and Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"WSEAS TRANSACTIONS ON MATHEMATICS","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.37394/23206.2022.21.32","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031634872","display_name":"Chanidaporn Pleumpreedaporn","orcid":"https://orcid.org/0000-0002-9689-7793","observed_orcids":["https://orcid.org/0000-0002-9689-7793"]},"institutions":[{"id":"https://openalex.org/I82828225","display_name":"King Mongkut's University of Technology North Bangkok","ror":"https://ror.org/04fy6jb97","country_code":"TH","type":"education","lineage":["https://openalex.org/I82828225"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Chanidaporn Pleumpreedaporn","raw_affiliation_strings":["Department of Mathematics King Mongkut\u2019s University of Technology North Bangkok 1518 Pracharat 1 Road, Bangkok 10800 THAILAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics King Mongkut\u2019s University of Technology North Bangkok 1518 Pracharat 1 Road, Bangkok 10800 THAILAND","institution_ids":["https://openalex.org/I82828225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047246388","display_name":"A. P. Snodin","orcid":"https://orcid.org/0000-0001-7551-3511","observed_orcids":["https://orcid.org/0000-0001-7551-3511"]},"institutions":[{"id":"https://openalex.org/I82828225","display_name":"King Mongkut's University of Technology North Bangkok","ror":"https://ror.org/04fy6jb97","country_code":"TH","type":"education","lineage":["https://openalex.org/I82828225"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Andrew P. Snodin","raw_affiliation_strings":["Department of Mathematics King Mongkut\u2019s University of Technology North Bangkok 1518 Pracharat 1 Road, Bangkok 10800 THAILAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics King Mongkut\u2019s University of Technology North Bangkok 1518 Pracharat 1 Road, Bangkok 10800 THAILAND","institution_ids":["https://openalex.org/I82828225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005646242","display_name":"Elvin J. Moore","orcid":"https://orcid.org/0000-0002-6328-8633","observed_orcids":["https://orcid.org/0000-0002-6328-8633"]},"institutions":[{"id":"https://openalex.org/I82828225","display_name":"King Mongkut's University of Technology North Bangkok","ror":"https://ror.org/04fy6jb97","country_code":"TH","type":"education","lineage":["https://openalex.org/I82828225"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Elvin J. Moore","raw_affiliation_strings":["Department of Mathematics King Mongkut\u2019s University of Technology North Bangkok 1518 Pracharat 1 Road, Bangkok 10800 THAILAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics King Mongkut\u2019s University of Technology North Bangkok 1518 Pracharat 1 Road, Bangkok 10800 THAILAND","institution_ids":["https://openalex.org/I82828225"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I82828225"],"apc_list":null,"apc_paid":null,"fwci":0.0727,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.2838593,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"21","issue":null,"first_page":"271","last_page":"278"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10251","display_name":"Solar and Space Plasma Dynamics","score":0.9526000022888184,"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/T10251","display_name":"Solar and Space Plasma Dynamics","score":0.9526000022888184,"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/T10346","display_name":"Magnetic confinement fusion research","score":0.023099999874830246,"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/T10818","display_name":"Astrophysics and Cosmic Phenomena","score":0.012900000438094139,"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/energetic-particle-transport","display_name":"energetic particle transport","score":0.7039999961853027},{"id":"https://openalex.org/keywords/resonance-broadening","display_name":"resonance broadening","score":0.8270000219345093},{"id":"https://openalex.org/keywords/quasilinear-theory","display_name":"quasilinear theory","score":0.9240000247955322},{"id":"https://openalex.org/keywords/test-particle-simulation","display_name":"test particle simulation","score":0.8399999737739563},{"id":"https://openalex.org/keywords/larmor-radius","display_name":"Larmor radius","score":0.8579999804496765},{"id":"https://openalex.org/keywords/turbulent-magnetic-fields","display_name":"turbulent magnetic fields","score":0.578000009059906},{"id":"https://openalex.org/keywords/charged-particle-transport","display_name":"charged particle transport","score":0.49900001287460327}],"concepts":[{"id":"https://openalex.org/C2777581452","wikidata":"https://www.wikidata.org/wiki/Q4363928","display_name":"Pitch angle","level":2,"score":0.777121365070343},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.7577073574066162},{"id":"https://openalex.org/C2781065038","wikidata":"https://www.wikidata.org/wiki/Q6731670","display_name":"Magnetohydrodynamic turbulence","level":4,"score":0.7041760087013245},{"id":"https://openalex.org/C168986899","wikidata":"https://www.wikidata.org/wiki/Q756307","display_name":"Mean free path","level":3,"score":0.6461426019668579},{"id":"https://openalex.org/C196558001","wikidata":"https://www.wikidata.org/wiki/Q190132","display_name":"Turbulence","level":2,"score":0.6345072388648987},{"id":"https://openalex.org/C91571402","wikidata":"https://www.wikidata.org/wiki/Q1194458","display_name":"Gyroradius","level":3,"score":0.6101497411727905},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.5336716175079346},{"id":"https://openalex.org/C121130766","wikidata":"https://www.wikidata.org/wiki/Q192510","display_name":"Wavenumber","level":2,"score":0.531927227973938},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.5153131484985352},{"id":"https://openalex.org/C42471609","wikidata":"https://www.wikidata.org/wiki/Q1779048","display_name":"Magnetohydrodynamic drive","level":4,"score":0.49832606315612793},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.47203385829925537},{"id":"https://openalex.org/C32127712","wikidata":"https://www.wikidata.org/wiki/Q3366867","display_name":"Test particle","level":2,"score":0.46624675393104553},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.45930513739585876},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.45870694518089294},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.41080522537231445},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.3217421770095825},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.29910358786582947},{"id":"https://openalex.org/C31532427","wikidata":"https://www.wikidata.org/wiki/Q2549249","display_name":"Magnetohydrodynamics","level":3,"score":0.2573317885398865},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.1310250461101532},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.37394/23206.2022.21.32","doi":"https://doi.org/10.37394/23206.2022.21.32","is_oa":true,"landing_page_url":"https://doi.org/10.37394/23206.2022.21.32","pdf_url":"https://doi.org/10.37394/23206.2022.21.32","source":{"id":"https://openalex.org/S4210205242","display_name":"WSEAS TRANSACTIONS ON MATHEMATICS","issn_l":"1109-2769","issn":["1109-2769","2224-2880"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific","poland-20","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310320666","host_organization_name":"World Scientific and Engineering Academy and Society","host_organization_lineage":["https://openalex.org/P4310320666"],"host_organization_lineage_names":["World Scientific and Engineering Academy and Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"WSEAS TRANSACTIONS ON MATHEMATICS","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.37394/23206.2022.21.32","doi":"https://doi.org/10.37394/23206.2022.21.32","is_oa":true,"landing_page_url":"https://doi.org/10.37394/23206.2022.21.32","pdf_url":"https://doi.org/10.37394/23206.2022.21.32","source":{"id":"https://openalex.org/S4210205242","display_name":"WSEAS TRANSACTIONS ON MATHEMATICS","issn_l":"1109-2769","issn":["1109-2769","2224-2880"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific","poland-20","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310320666","host_organization_name":"World Scientific and Engineering Academy and Society","host_organization_lineage":["https://openalex.org/P4310320666"],"host_organization_lineage_names":["World Scientific and Engineering Academy and Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"WSEAS TRANSACTIONS ON MATHEMATICS","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4293249733.pdf","grobid_xml":"https://content.openalex.org/works/W4293249733.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1963701191","https://openalex.org/W1965060623","https://openalex.org/W1996035257","https://openalex.org/W2028078405","https://openalex.org/W2032902343","https://openalex.org/W2063602499","https://openalex.org/W2067873680","https://openalex.org/W2085506296","https://openalex.org/W2088938764","https://openalex.org/W2108650679","https://openalex.org/W2133816977","https://openalex.org/W2199551403","https://openalex.org/W2273050369","https://openalex.org/W2490694640","https://openalex.org/W2530495721","https://openalex.org/W2604906901","https://openalex.org/W3070486227","https://openalex.org/W4301931892"],"related_works":["https://openalex.org/W2273050369","https://openalex.org/W4281259188","https://openalex.org/W3070486227","https://openalex.org/W2067873680","https://openalex.org/W2035152719","https://openalex.org/W6923753214","https://openalex.org/W6905042672","https://openalex.org/W2606064574","https://openalex.org/W1522757900","https://openalex.org/W2029853014"],"abstract_inverted_index":{"The":[0],"transport":[1],"of":[2,13,31,66,107,157],"energetic":[3],"charged":[4],"particles":[5,96],"in":[6,15,34,63,135,154],"turbulent":[7,74],"magnetic":[8,41],"fields":[9],"is":[10,110,164],"a":[11,32,98,105],"topic":[12],"interest":[14],"various":[16],"astrophysical":[17],"and":[18,128],"laboratory":[19],"plasma":[20],"contexts.":[21],"In":[22,55],"order":[23],"to":[24,38,113],"estimate":[25],"the":[26,35,39,50,64,67,86,137,158,168,177],"mean":[27,40,139],"free":[28,140],"path":[29,141],"\u03bb\u2225":[30,127],"particle":[33,169],"direction":[36],"parallel":[37,80,138],"field,":[42],"one":[43],"can":[44,142],"use":[45],"theoretical":[46],"expressions":[47],"that":[48,120,148],"include":[49,121],"pitch-angle":[51,92],"diffusion":[52,93],"coefficient":[53],"D\u03bc\u03bc.":[54],"this":[56],"work":[57],"we":[58],"evaluate":[59],"theories":[60,119,150],"for":[61,95,103],"D\u03bc\u03bc":[62],"context":[65],"noisy":[68],"reduced":[69],"magnetohydrodynamic":[70],"(NRMHD)":[71],"model":[72],"where":[73],"fluctuations":[75],"are":[76,151],"absent":[77],"at":[78],"large":[79],"wavenumbers.":[81],"For":[82],"most":[83],"turbulence":[84],"models,":[85],"standard":[87],"quasilinear":[88,178],"theory":[89],"predicts":[90],"zero":[91],"only":[94],"with":[97,131],"90\u25e6":[99],"pitch":[100,108],"angle,":[101],"but":[102,162],"NRMHD":[104],"range":[106],"angles":[109],"affected,":[111],"leading":[112],"infinite":[114],"\u03bb\u2225.":[115],"We":[116,146],"examine":[117],"two":[118],"resonance":[122,179],"broadening":[123],"which":[124,136],"yield":[125],"finite":[126],"compare":[129],"them":[130],"test-particle":[132],"computer":[133],"simulations":[134],"be":[143],"readily":[144],"obtained.":[145],"find":[147],"both":[149],"quite":[152],"accurate":[153],"some":[155],"regions":[156],"parameter":[159],"space":[160],"considered,":[161],"neither":[163],"particularly":[165],"good":[166],"when":[167],"Larmor":[170],"radius":[171],"RL":[172],"becomes":[173],"much":[174],"smaller":[175],"than":[176],"limit.":[180]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2022-08-27T00:00:00"}