{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25753"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25753","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Experimental investigation of nonlinear interactions of drift waves","abstract":"Collisionless cesium and potassium plasmas are investigated in a single-ended Q-machine. A wave associated with the circular plasma-limiting aperture is observed when the plate temperature is high enough. This wave and the ordinary drift wave interact nonlinearly to produce new waves at the sum and difference frequencies. The amplitude of the wave at the difference frequency is an order of magnitude smaller than that of the primary waves which have the same order of magnitude amplitude. The background continuum is investigate and is seen to fall off as w-3/2.","abstract_html":"Collisionless cesium and potassium plasmas are investigated in a single-ended Q-machine. A wave associated with the circular plasma-limiting aperture is observed when the plate temperature is high enough. This wave and the ordinary drift wave interact nonlinearly to produce new waves at the sum and difference frequencies. The amplitude of the wave at the difference frequency is an order of magnitude smaller than that of the primary waves which have the same order of magnitude amplitude. The background continuum is investigate and is seen to fall off as w-3/2.","abstract_has_math":false,"creators":["Hosken, Robert William"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Raether, M.J."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":null,"date_issued":"10000-01-01","date_published":"10000-01-01","updated_at":"2026-07-22T22:25:26Z","subjects":["nonlinear interactions","drift waves","collisionless plasmas","plasma-limiting aperture"],"languages":["en"],"rights":["1968 Robert William Hosken"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["6079151"],"render_values":[{"text":"6079151","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25753","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Raether, M.J."]},{"key":"dc:creator","label":"Author","values":["Hosken, Robert William"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["10000-01-01","1968","2011-07-11T16:12:34Z"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation / Thesis","text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["nonlinear interactions","drift waves","collisionless plasmas","plasma-limiting aperture"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1968 Robert William Hosken"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["6079151","http://hdl.handle.net/2142/25753"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Collisionless cesium and potassium plasmas are investigated in a single-ended Q-machine. A wave associated with the circular plasma-limiting aperture is observed when the plate temperature is high enough. This wave and the ordinary drift wave interact nonlinearly to produce new waves at the sum and difference frequencies. The amplitude of the wave at the difference frequency is an order of magnitude smaller than that of the primary waves which have the same order of magnitude amplitude. The background continuum is investigate and is seen to fall off as w-3/2.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-11T16:12:34Z No. of bitstreams: 1 1968_hosken.pdf: 2123543 bytes, checksum: cf8b3e60bfc46ffc22530f5f2310b23e (MD5)","Made available in DSpace on 2011-07-11T16:12:34Z (GMT). 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This wave and the ordinary drift wave interact nonlinearly to produce new waves at the sum and difference frequencies. The amplitude of the wave at the difference frequency is an order of magnitude smaller than that of the primary waves which have the same order of magnitude amplitude. The background continuum is investigate and is seen to fall off as w-3/2.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-11T16:12:34Z No. of bitstreams: 1 1968_hosken.pdf: 2123543 bytes, checksum: cf8b3e60bfc46ffc22530f5f2310b23e (MD5)","Made available in DSpace on 2011-07-11T16:12:34Z (GMT). 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