{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/80604"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/80604","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Electronic Noise Studies of Underdoped High Temperature Superconductors","abstract":"We use electronic transport noise measurements in order to probe normal state properties of high temperature superconductors with the goal of providing further detail about the environment in which the necessary pairing of electrons occurs. We observe an unusual noise component near and below about 200 K in the normal state of underdoped YBCO and Ca-YBCO films. We use several experimental noise-transport techniques in order to elucidate dynamic, thermodynamic and symmetry properties of the underlying fluctuations that cause this excess noise. We have found that this region of noise displays many features, such as large fluctuators, aging effects and a complicated magnetic sensitivity, that one would expect for symmetry-breaking collective electronic state.","abstract_html":"We use electronic transport noise measurements in order to probe normal state properties of high temperature superconductors with the goal of providing further detail about the environment in which the necessary pairing of electrons occurs. We observe an unusual noise component near and below about 200 K in the normal state of underdoped YBCO and Ca-YBCO films. We use several experimental noise-transport techniques in order to elucidate dynamic, thermodynamic and symmetry properties of the underlying fluctuations that cause this excess noise. We have found that this region of noise displays many features, such as large fluctuators, aging effects and a complicated magnetic sensitivity, that one would expect for symmetry-breaking collective electronic state.","abstract_has_math":false,"creators":["Caplan, David"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Michael Weissman"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:03:16Z","date_published":"2015-09-25T20:03:16Z","updated_at":"2026-07-22T22:26:14Z","subjects":["Physics, High Temperature"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3391894"],"render_values":[{"text":"(MiAaPQ)AAI3391894","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/80604","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Michael Weissman"]},{"key":"dc:creator","label":"Author","values":["Caplan, David"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:03:16Z","10000-01-01","2009"]},{"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, High Temperature"]}]},{"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/2142/80604","(MiAaPQ)AAI3391894"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["We use electronic transport noise measurements in order to probe normal state properties of high temperature superconductors with the goal of providing further detail about the environment in which the necessary pairing of electrons occurs. We observe an unusual noise component near and below about 200 K in the normal state of underdoped YBCO and Ca-YBCO films. We use several experimental noise-transport techniques in order to elucidate dynamic, thermodynamic and symmetry properties of the underlying fluctuations that cause this excess noise. We have found that this region of noise displays many features, such as large fluctuators, aging effects and a complicated magnetic sensitivity, that one would expect for symmetry-breaking collective electronic state.","Made available in DSpace on 2015-09-25T20:03:16Z (GMT). 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We observe an unusual noise component near and below about 200 K in the normal state of underdoped YBCO and Ca-YBCO films. We use several experimental noise-transport techniques in order to elucidate dynamic, thermodynamic and symmetry properties of the underlying fluctuations that cause this excess noise. We have found that this region of noise displays many features, such as large fluctuators, aging effects and a complicated magnetic sensitivity, that one would expect for symmetry-breaking collective electronic state.","Made available in DSpace on 2015-09-25T20:03:16Z (GMT). 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