Quantum-field dynamics of expanding and contracting Bose-Einstein condensates

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dc.creatorWuester, S.
dc.creatorDabrowska-Wuester, B. J.
dc.creatorScott, S. M.
dc.creatorClose, J. D.
dc.creatorSavage, C. M.
dc.date2007-09-10
dc.date.accessioned2026-07-07T09:21:20Z
dc.date.available2026-07-07T09:21:20Z
dc.descriptionWe analyze the dynamics of quantum statistics in a harmonically trapped Bose-Einstein condensate, whose two-body interaction strength is controlled via a Feshbach resonance. From an initially non-interacting coherent state, the quantum field undergoes Kerr squeezing, which can be qualitatively described with a single mode model. To render the effect experimentally accessible, we propose a homodyne scheme, based on two hyperfine components, which converts the quadrature squeezing into number squeezing. The scheme is numerically demonstrated using a two-component Hartree-Fock-Bogoliubov formalism.
dc.description9 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0709.1362
dc.identifierhttp://arxiv.org/abs/0709.1362
dc.identifierPhys. Rev. A 77, 023619 (2008)
dc.identifierdoi:10.1103/PhysRevA.77.023619
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/154987
dc.subjectOther Condensed Matter
dc.titleQuantum-field dynamics of expanding and contracting Bose-Einstein condensates
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