{"id":{"repo_id":"unt","oai_identifier":"info:ark/67531/metadc4210"},"canonical_url":"https://search.dev.ndltd.org/etd/unt/info:ark/67531/metadc4210","repository":{"repo_id":"unt","name":"University of North Texas","base_url":"https://digital.library.unt.edu/oai/"},"display":{"title":"Quantization Of Spin Direction For Solitary Waves in a Uniform Magnetic Field","abstract":"It is known that there are nonlinear wave equations with localized solitary wave solutions. Some of these solitary waves are stable (with respect to a small perturbation of initial data)and have nonzero spin (nonzero intrinsic angular momentum in the centre of momentum frame). In this paper we consider vector-valued solitary wave solutions to a nonlinear Klein-Gordon equation and investigate the behavior of these spinning solitary waves under the in&#64258;uence of an externally imposed uniform magnetic &#64257;eld. We &#64257;nd that the only stationary spinning solitary wave solutions have spin parallel or antiparallel to the magnetic &#64257;eld direction.","abstract_html":"It is known that there are nonlinear wave equations with localized solitary wave solutions. Some of these solitary waves are stable (with respect to a small perturbation of initial data)and have nonzero spin (nonzero intrinsic angular momentum in the centre of momentum frame). In this paper we consider vector-valued solitary wave solutions to a nonlinear Klein-Gordon equation and investigate the behavior of these spinning solitary waves under the in&amp;#64258;uence of an externally imposed uniform magnetic &amp;#64257;eld. We &amp;#64257;nd that the only stationary spinning solitary wave solutions have spin parallel or antiparallel to the magnetic &amp;#64257;eld direction.","abstract_has_math":false,"creators":["Hoq, Qazi Enamul"],"institution":"University of North Texas","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Warchall, Henry A.","Iaia, Joseph","Neuberger, John"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2003,"date_issued":"2003-05","date_published":"2003-05","updated_at":"2026-07-24T05:35:09Z","subjects":["Nonlinear wave equations.","Klein-Gordon equation.","stationary solutions","spin direction","non-linear wave","solitary waves","Klein-Gordon equation"],"languages":["English"],"rights":["Public","Copyright","Hoq, Qazi Enamul","Copyright is held by the author, unless otherwise noted. All rights reserved."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 53185488","https://digital.library.unt.edu/ark:/67531/metadc4210/","ark: ark:/67531/metadc4210"],"render_values":[{"text":"oclc: 53185488","href":null,"code":true},{"text":"https://digital.library.unt.edu/ark:/67531/metadc4210/","href":"https://digital.library.unt.edu/ark:/67531/metadc4210/","code":true},{"text":"ark: ark:/67531/metadc4210","href":null,"code":true}]}]},"links":{"outbound_url":"https://doi.org/10.12794/metadc4210","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Warchall, Henry A.","Iaia, Joseph","Neuberger, John"]},{"key":"dc:creator","label":"Author","values":["Hoq, Qazi Enamul"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2003-05"]},{"key":"dc:publisher","label":"Institution","values":["University of North Texas"]},{"key":"dc:type","label":"Dc Type","values":["Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Nonlinear wave equations.","Klein-Gordon equation.","stationary solutions","spin direction","non-linear wave","solitary waves","Klein-Gordon equation"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:rights","label":"Dc Rights","values":["Public","Copyright","Hoq, Qazi Enamul","Copyright is held by the author, unless otherwise noted. All rights reserved."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 53185488","doi: 10.12794/metadc4210","https://digital.library.unt.edu/ark:/67531/metadc4210/","ark: ark:/67531/metadc4210"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["It is known that there are nonlinear wave equations with localized solitary wave solutions. Some of these solitary waves are stable (with respect to a small perturbation of initial data)and have nonzero spin (nonzero intrinsic angular momentum in the centre of momentum frame). In this paper we consider vector-valued solitary wave solutions to a nonlinear Klein-Gordon equation and investigate the behavior of these spinning solitary waves under the in&#64258;uence of an externally imposed uniform magnetic &#64257;eld. We &#64257;nd that the only stationary spinning solitary wave solutions have spin parallel or antiparallel to the magnetic &#64257;eld direction."]},{"key":"dc:format","label":"Dc Format","values":["Text"]},{"key":"dc:title","label":"Title","values":["Quantization Of Spin Direction For Solitary Waves in a Uniform Magnetic Field"]}]}],"canonical_facts":{"dc:contributor":["Warchall, Henry A.","Iaia, Joseph","Neuberger, John"],"dc:creator":["Hoq, Qazi Enamul"],"dc:date":["2003-05"],"dc:description":["It is known that there are nonlinear wave equations with localized solitary wave solutions. Some of these solitary waves are stable (with respect to a small perturbation of initial data)and have nonzero spin (nonzero intrinsic angular momentum in the centre of momentum frame). In this paper we consider vector-valued solitary wave solutions to a nonlinear Klein-Gordon equation and investigate the behavior of these spinning solitary waves under the in&#64258;uence of an externally imposed uniform magnetic &#64257;eld. We &#64257;nd that the only stationary spinning solitary wave solutions have spin parallel or antiparallel to the magnetic &#64257;eld direction."],"dc:format":["Text"],"dc:identifier":["oclc: 53185488","doi: 10.12794/metadc4210","https://digital.library.unt.edu/ark:/67531/metadc4210/","ark: ark:/67531/metadc4210"],"dc:language":["English"],"dc:publisher":["University of North Texas"],"dc:rights":["Public","Copyright","Hoq, Qazi Enamul","Copyright is held by the author, unless otherwise noted. All rights reserved."],"dc:subject":["Nonlinear wave equations.","Klein-Gordon equation.","stationary solutions","spin direction","non-linear wave","solitary waves","Klein-Gordon equation"],"dc:title":["Quantization Of Spin Direction For Solitary Waves in a Uniform Magnetic Field"],"dc:type":["Thesis or Dissertation"]},"updated_at":"2026-07-24T05:35:09Z"}