Collective dynamics of internal states in a Bose gas

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dc.creatorOktel, M. O.
dc.creatorLevitov, L. S.
dc.date2001-08-27
dc.date.accessioned2026-07-07T09:31:47Z
dc.date.available2026-07-07T09:31:47Z
dc.descriptionTheory for the Rabi and internal Josephson effects in an interacting Bose gas in the cold collision regime is presented. By using microscopic transport equation for the density matrix the problem is mapped onto a problem of precession of two coupled classical spins. In the absence of an external excitation field our results agree with the theory for the density induced frequency shifts in atomic clocks. In the presence of the external field, the internal Josephson effect takes place in a condensed Bose gas as well as in a non-condensed gas. The crossover from Rabi oscillations to the Josephson oscillations as a function of interaction strength is studied in detail.
dc.description18 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/physics/0108052
dc.identifierhttp://arxiv.org/abs/physics/0108052
dc.identifierPhys. Rev. A 65, 063604 (2002)
dc.identifierdoi:10.1103/PhysRevA.65.063604
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/158582
dc.subjectAtomic Physics
dc.subjectCondensed Matter
dc.titleCollective dynamics of internal states in a Bose gas
dc.typetext

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