Strongly Interacting Fermi Gases in Three Dimensions and One Dimension

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dc.contributor.advisorHulet, Randall G.en_US
dc.creatorLiao, Yean-anen_US
dc.date.accessioned2013-03-08T00:35:56Zen_US
dc.date.available2013-03-08T00:35:56Zen_US
dc.date.issued2011en_US
dc.description.abstractThis thesis presents the experimental study on the two-spin component, strongly interacting 6 Li Fermi gases in 3D and 1D traps. The interaction strength is tuned from the molecular BEC regime to the BCS regime using a Feshbach resonance. The trap dimension can be tuned from 3D to 1D with the implementation of optical lattice. The evaporation of imbalanced Fermi gases in 3D trap is studied. The anisotropic and fast evaporation is the cause of the deformation observed in the 2006 Rice experiment. In a balanced Fermi system, the fraction of correlated states is measured as a function of interaction and temperature. At unitarity, the fraction of correlated states is ∼85% and exists above T c . The one-body-like photoexcitation rate can be related to the contact quantity. Lastly, the spin-imbalance in a one-dimensional Fermi gas is studied. The 1D phase diagram is mapped out. The result agrees well with the 1D theory, in which the partially polarized regime is predicted to be a FFLO phase, an exotic superfluid with pairs carrying finite center-of-mass momentum proposed almost 50 years ago.en_US
dc.format.extent206 p.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.callnoTHESIS PHYS. 2011 LIAOen_US
dc.identifier.citationLiao, Yean-an. "Strongly Interacting Fermi Gases in Three Dimensions and One Dimension." (2011) Diss., Rice University. <a href="https://hdl.handle.net/1911/70320">https://hdl.handle.net/1911/70320</a>.en_US
dc.identifier.digitalLiaoYen_US
dc.identifier.urihttps://hdl.handle.net/1911/70320en_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.subjectPure sciencesen_US
dc.subjectFermi gasesen_US
dc.subjectEvaporationen_US
dc.subjectOptical latticesen_US
dc.subjectPaired fractionsen_US
dc.subjectCondensed matter physicsen_US
dc.subjectAtomsen_US
dc.subjectSubatomic particlesen_US
dc.subjectOpticsen_US
dc.titleStrongly Interacting Fermi Gases in Three Dimensions and One Dimensionen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentPhysicsen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelDoctoralen_US
thesis.degree.nameDoctor of Philosophyen_US
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