{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/121498"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/121498","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Relaxation of interacting Stark-localized states in a thermal lattice Bose gas","abstract":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms","abstract_html":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms","abstract_has_math":false,"creators":["Wadleigh, Laura Rose"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["DeMarco, Brian","Gadway, Bryce","Lorenz, Virginia","Wagner, Lucas"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023-08","date_published":"2023-08","updated_at":"2026-07-22T22:24:57Z","subjects":["Quantum Physics","Localization","Atomic Physics","Lattice Gas"],"languages":["en","eng"],"rights":["Copyright 2023 Laura Wadleigh"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/121498","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["DeMarco, Brian","Gadway, Bryce","Lorenz, Virginia","Wagner, Lucas"]},{"key":"dc:creator","label":"Author","values":["Wadleigh, Laura Rose"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2023-08","2023-07-12"]},{"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":["Quantum Physics","Localization","Atomic Physics","Lattice Gas"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2023 Laura Wadleigh"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/121498"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms","The student, Laura Wadleigh, accepted the attached license on 2023-07-11 at 02:24.","The student, Laura Wadleigh, submitted this Dissertation for approval on 2023-07-11 at 02:30.","This Dissertation was approved for publication on 2023-07-12 at 12:50.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19615 on 2023-12-04 at 17:01:45","Localization in interacting quantum lattice gas systems is an active area of research. In this work, we study the dynamics of Stark-localized states in a thermal lattice Bose gas. We use a barrier beam to exclude atoms from the center of an atomic gas trapped in a harmonic potential. A three-dimensional optical lattice potential is added, creating Stark-localized states away from the center of the trap, where the gradient of the harmonic potential is large compared to the lattice bandwidth. We remove the barrier beam and observe the dynamics over hundreds of tunneling times. Using a new statistical measure, Mardia's B, we observe that the gas reaches thermal equilibrium after hundreds of tunneling times, even at high lattice depths where the gas is nearly completely Stark localized. We rule out many possible sources of relaxation, including scattering of lattice light. We conclude that physics beyond the Bose-Hubbard model may be needed to explain the long-time dynamics of interacting quantum lattice gas systems."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Relaxation of interacting Stark-localized states in a thermal lattice Bose gas"]}]}],"canonical_facts":{"dc:contributor":["DeMarco, Brian","Gadway, Bryce","Lorenz, Virginia","Wagner, Lucas"],"dc:creator":["Wadleigh, Laura Rose"],"dc:date":["2023-08","2023-07-12"],"dc:description":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms","The student, Laura Wadleigh, accepted the attached license on 2023-07-11 at 02:24.","The student, Laura Wadleigh, submitted this Dissertation for approval on 2023-07-11 at 02:30.","This Dissertation was approved for publication on 2023-07-12 at 12:50.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19615 on 2023-12-04 at 17:01:45","Localization in interacting quantum lattice gas systems is an active area of research. In this work, we study the dynamics of Stark-localized states in a thermal lattice Bose gas. We use a barrier beam to exclude atoms from the center of an atomic gas trapped in a harmonic potential. A three-dimensional optical lattice potential is added, creating Stark-localized states away from the center of the trap, where the gradient of the harmonic potential is large compared to the lattice bandwidth. We remove the barrier beam and observe the dynamics over hundreds of tunneling times. Using a new statistical measure, Mardia's B, we observe that the gas reaches thermal equilibrium after hundreds of tunneling times, even at high lattice depths where the gas is nearly completely Stark localized. We rule out many possible sources of relaxation, including scattering of lattice light. We conclude that physics beyond the Bose-Hubbard model may be needed to explain the long-time dynamics of interacting quantum lattice gas systems."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/121498"],"dc:language":["en","eng"],"dc:rights":["Copyright 2023 Laura Wadleigh"],"dc:subject":["Quantum Physics","Localization","Atomic Physics","Lattice Gas"],"dc:title":["Relaxation of interacting Stark-localized states in a thermal lattice Bose gas"],"dc:type":["text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:24:57Z"}