{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/15582"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/15582","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Determining the superconducting order parameter of UPt3 with Josephson junction interferometry","abstract":"Made available in DSpace on 2010-05-14T20:51:19Z (GMT). No. of bitstreams: 2 Strand_Joel.pdf: 3215583 bytes, checksum: 56bc27939f1df7406b5bd380bfc02090 (MD5) license.txt: 4060 bytes, checksum: 7daff777161209135fcbaaaff684d71b (MD5)","abstract_html":"Made available in DSpace on 2010-05-14T20:51:19Z (GMT). No. of bitstreams: 2 Strand_Joel.pdf: 3215583 bytes, checksum: 56bc27939f1df7406b5bd380bfc02090 (MD5) license.txt: 4060 bytes, checksum: 7daff777161209135fcbaaaff684d71b (MD5)","abstract_has_math":false,"creators":["Strand, Joel D."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Van Harlingen, Dale J.","Cooper, S. Lance","Stone, Michael","Pitts, Kevin T."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2010,"date_issued":"2010-05-14T20:51:19Z","date_published":"2010-05-14T20:51:19Z","updated_at":"2026-07-22T22:25:08Z","subjects":["UPt3","Josephson junctions","unconventional superconductivity","Josephson interferometry","superconducting order parameter"],"languages":["en"],"rights":["Copyright 2010 Joel D. Strand"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/15582","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Van Harlingen, Dale J.","Cooper, S. Lance","Stone, Michael","Pitts, Kevin T."]},{"key":"dc:creator","label":"Author","values":["Strand, Joel D."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2010-05-14T20:51:19Z","2012-05-15T10:00:48Z","2010-5"]},{"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":["UPt3","Josephson junctions","unconventional superconductivity","Josephson interferometry","superconducting order parameter"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2010 Joel D. Strand"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/15582"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Made available in DSpace on 2010-05-14T20:51:19Z (GMT). No. of bitstreams: 2 Strand_Joel.pdf: 3215583 bytes, checksum: 56bc27939f1df7406b5bd380bfc02090 (MD5) license.txt: 4060 bytes, checksum: 7daff777161209135fcbaaaff684d71b (MD5)","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by William Ingram (wingram2@illinois.edu) on 2010-05-14T20:52:48Z Item is restricted until 2012-05-14T20:52:43Z","Item reinstated by Sarah Shreeves (sshreeve@illinois.edu) on 2012-05-15T10:00:48Z Item was in collections: University of Illinois Dissertations and Theses (ID: 204) Dissertations and Theses - Physics (ID: 445) No. of bitstreams: 3 Strand_Joel.pdf.txt: 90110 bytes, checksum: 59089d1e2f2cc254d5a43bf46a8663cc (MD5) Strand_Joel.pdf: 3215583 bytes, checksum: 56bc27939f1df7406b5bd380bfc02090 (MD5) license.txt: 4060 bytes, checksum: 7daff777161209135fcbaaaff684d71b (MD5)","Item released from any restrictions by Sarah Shreeves (sshreeve@illinois.edu) on 2012-05-15T10:00:48Z","We report evidence for a complex low-temperature superconducting phase in UPt3 that breaks time-reversal symmetry and exhibits a phase shift of Pi in the superconducting order parameter between the a- and b-axes. We also report evidence for nodes in the amplitude of the superconducting energy gap in the high-temperature phase of UPt3. These nodes occur 45 degrees between the a- and b-axes and fill in as an out-of-phase energy gap component develops. This evidence supports the E2u representation of the superconducting order parameter. These measurements were taken by fabricating Pb-Cu-UPt3 Josephson junctions on polished and as-grown surfaces of UPt3 single crystals. By measuring the critical current through the junctions and varying the applied magnetic field, temperature, and angle of the junctions, we obtained information on the phase and magnitude of the superconducting order parameter.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2010-04-09T18:00:51Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 1 Strand_Joel.pdf: 3215583 bytes, checksum: 56bc27939f1df7406b5bd380bfc02090 (MD5)"]},{"key":"dc:title","label":"Title","values":["Determining the superconducting order parameter of UPt3 with Josephson junction interferometry"]}]}],"canonical_facts":{"dc:contributor":["Van Harlingen, Dale J.","Cooper, S. Lance","Stone, Michael","Pitts, Kevin T."],"dc:creator":["Strand, Joel D."],"dc:date":["2010-05-14T20:51:19Z","2012-05-15T10:00:48Z","2010-5"],"dc:description":["Made available in DSpace on 2010-05-14T20:51:19Z (GMT). No. of bitstreams: 2 Strand_Joel.pdf: 3215583 bytes, checksum: 56bc27939f1df7406b5bd380bfc02090 (MD5) license.txt: 4060 bytes, checksum: 7daff777161209135fcbaaaff684d71b (MD5)","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by William Ingram (wingram2@illinois.edu) on 2010-05-14T20:52:48Z Item is restricted until 2012-05-14T20:52:43Z","Item reinstated by Sarah Shreeves (sshreeve@illinois.edu) on 2012-05-15T10:00:48Z Item was in collections: University of Illinois Dissertations and Theses (ID: 204) Dissertations and Theses - Physics (ID: 445) No. of bitstreams: 3 Strand_Joel.pdf.txt: 90110 bytes, checksum: 59089d1e2f2cc254d5a43bf46a8663cc (MD5) Strand_Joel.pdf: 3215583 bytes, checksum: 56bc27939f1df7406b5bd380bfc02090 (MD5) license.txt: 4060 bytes, checksum: 7daff777161209135fcbaaaff684d71b (MD5)","Item released from any restrictions by Sarah Shreeves (sshreeve@illinois.edu) on 2012-05-15T10:00:48Z","We report evidence for a complex low-temperature superconducting phase in UPt3 that breaks time-reversal symmetry and exhibits a phase shift of Pi in the superconducting order parameter between the a- and b-axes. We also report evidence for nodes in the amplitude of the superconducting energy gap in the high-temperature phase of UPt3. These nodes occur 45 degrees between the a- and b-axes and fill in as an out-of-phase energy gap component develops. This evidence supports the E2u representation of the superconducting order parameter. These measurements were taken by fabricating Pb-Cu-UPt3 Josephson junctions on polished and as-grown surfaces of UPt3 single crystals. By measuring the critical current through the junctions and varying the applied magnetic field, temperature, and angle of the junctions, we obtained information on the phase and magnitude of the superconducting order parameter.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2010-04-09T18:00:51Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 1 Strand_Joel.pdf: 3215583 bytes, checksum: 56bc27939f1df7406b5bd380bfc02090 (MD5)"],"dc:identifier":["http://hdl.handle.net/2142/15582"],"dc:language":["en"],"dc:rights":["Copyright 2010 Joel D. Strand"],"dc:subject":["UPt3","Josephson junctions","unconventional superconductivity","Josephson interferometry","superconducting order parameter"],"dc:title":["Determining the superconducting order parameter of UPt3 with Josephson junction interferometry"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:08Z"}