Measurements of the interactions in a paired zero temperature lithium-6 gas throughout the BEC-BCS crossover

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dc.contributor.advisorHulet, Randall G.en_US
dc.creatorKamar, Ramsey I.en_US
dc.date.accessioned2009-06-04T06:53:21Zen_US
dc.date.available2009-06-04T06:53:21Zen_US
dc.date.issued2006en_US
dc.description.abstractUnderstanding the effects of interactions on the ground-state of a paired degenerate Fermi gas throughout the BEC-BCS crossover has been a long standing physical quest for which countless papers have been written. The crossover describes the smooth transition of the physics of a BEC of tightly bound dimers to that of a paired BCS superfluid. A Feshbach resonance is used to tune the interactions necessary to study the crossover. Right around resonance the interactions are expected to be parameterized by a single universal parameter beta [1--3]. This thesis describes a measurement of the axial size of paired, 6Li clouds in the BEC-BCS crossover and provides a comparison with theory. In the BEC regime, absolute measurements of the molecular scattering length are compared with the atomic scattering length and the ratio is compared with theory. Finally, a measurement of beta is made and compared with theory.en_US
dc.format.extent45 p.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.callnoTHESIS PHYS. 2006 KAMARen_US
dc.identifier.citationKamar, Ramsey I.. "Measurements of the interactions in a paired zero temperature lithium-6 gas throughout the BEC-BCS crossover." (2006) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/17887">https://hdl.handle.net/1911/17887</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/17887en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectMolecular physicsen_US
dc.subjectAtomic physicsen_US
dc.subjectOpticsen_US
dc.titleMeasurements of the interactions in a paired zero temperature lithium-6 gas throughout the BEC-BCS crossoveren_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentPhysicsen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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