Breakdown of the Thomas Fermi approximation for polarized Fermi gases

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dc.creatorSensarma, Rajdeep
dc.creatorSchneider, William
dc.creatorDiener, Roberto B.
dc.creatorRanderia, Mohit
dc.date2007-06-12
dc.date.accessioned2026-07-07T08:05:20Z
dc.date.available2026-07-07T08:05:20Z
dc.descriptionWe use Bogoliubov de-Gennes theory to show that the commonly used Thomas-Fermi approximation (TFA) can fail in describing polarized unitary gases in anisotropic harmonic traps. We find a magnetized superfluid region inside the trap, with order parameter oscillations, even though there is no such stable bulk phase. This leads to magnetization profiles that deviate from contours of constant potential energy. We determine how this violation scales with trap anisotropy and number of particles, and show that we are able to account for important differences between the MIT and Rice experiments.
dc.description4 pages 3 figures
dc.identifierhttps://arxiv.org/abs/0706.1741
dc.identifierhttp://arxiv.org/abs/0706.1741
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/130251
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleBreakdown of the Thomas Fermi approximation for polarized Fermi gases
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