{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/77199"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/77199","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"An Nmr Test of Mcmillan's Theory of Incommensurate Charge Density Waves","abstract":"\"We have studied the ('77)Se NMR in single crystal of 2H-TaSe(,2) to test McMillan's proposal regarding charge density waves (CDW). We compare the temperature dependence of the NMR lineshape from 4.2 K to 130 K with predictions based on McMillan's theory, utilizing the recent x-ray diffraction results of Fleming, Moncton, McWhan, and DiSalvo. We employ a theory by Suits to relate the observed lineshape to the alternative theories of the CDW. We confirm McMillan's hypothesis of \"\"discommensuration\"\"--that the incommensurate CDW is best described by commensurate regions separated by regions of phase slip.\"","abstract_html":"&quot;We have studied the (&#x27;77)Se NMR in single crystal of 2H-TaSe(,2) to test McMillan&#x27;s proposal regarding charge density waves (CDW). We compare the temperature dependence of the NMR lineshape from 4.2 K to 130 K with predictions based on McMillan&#x27;s theory, utilizing the recent x-ray diffraction results of Fleming, Moncton, McWhan, and DiSalvo. We employ a theory by Suits to relate the observed lineshape to the alternative theories of the CDW. We confirm McMillan&#x27;s hypothesis of &quot;&quot;discommensuration&quot;&quot;--that the incommensurate CDW is best described by commensurate regions separated by regions of phase slip.&quot;","abstract_has_math":false,"creators":["Couturié, Stephen Henry"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-05-13T15:22:24Z","date_published":"2015-05-13T15:22:24Z","updated_at":"2026-07-22T22:26:10Z","subjects":["Physics, Condensed Matter"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8114405"],"render_values":[{"text":"(UMI)AAI8114405","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/77199","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Couturié, Stephen Henry"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-05-13T15:22:24Z","10000-01-01","1981"]},{"key":"dc:type","label":"Dc Type","values":["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."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Physics, Condensed Matter"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/77199","(UMI)AAI8114405"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["\"We have studied the ('77)Se NMR in single crystal of 2H-TaSe(,2) to test McMillan's proposal regarding charge density waves (CDW). We compare the temperature dependence of the NMR lineshape from 4.2 K to 130 K with predictions based on McMillan's theory, utilizing the recent x-ray diffraction results of Fleming, Moncton, McWhan, and DiSalvo. We employ a theory by Suits to relate the observed lineshape to the alternative theories of the CDW. We confirm McMillan's hypothesis of \"\"discommensuration\"\"--that the incommensurate CDW is best described by commensurate regions separated by regions of phase slip.\"","Made available in DSpace on 2015-05-13T15:22:24Z (GMT). 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We compare the temperature dependence of the NMR lineshape from 4.2 K to 130 K with predictions based on McMillan's theory, utilizing the recent x-ray diffraction results of Fleming, Moncton, McWhan, and DiSalvo. We employ a theory by Suits to relate the observed lineshape to the alternative theories of the CDW. We confirm McMillan's hypothesis of \"\"discommensuration\"\"--that the incommensurate CDW is best described by commensurate regions separated by regions of phase slip.\"","Made available in DSpace on 2015-05-13T15:22:24Z (GMT). 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