Dynamics of the spin-2 Bose condensate driven by external magnetic fields

Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/511

Title:	Dynamics of the spin-2 Bose condensate driven by external magnetic fields
Authors:	Zhang, P Chan, CK Li, XG Xue, QK Zhao, XG
Issue Date:	10-Oct-2002
Source:	Physical review. A, Atomic, molecular, and optical physics, Oct. 2002, v. 66, no. 4, 043606, p. 1-8
Abstract:	Dynamic response of the F=2 spinor Bose-Einstein condensate (BEC) under the influence of external magnetic fields is studied. A general formula is given for the oscillation period to describe population transfer from the initial polar state to other spin states. We show that when the frequency and the reduced amplitude of the longitudinal magnetic field are related in a specific manner, the population of the initial spin-0 state will be dynamically localized during time evolution. The effects of external noise and nonlinear spin-exchange interaction on the dynamics of the spinor BEC are studied. We show that while the external noise may eventually destroy the Rabi oscillations and dynamic spin localization, these coherent phenomena are robust against the nonlinear atomic interaction.
Keywords:	Dynamics of spin-2 Bose condensate External magnetic fields
Publisher:	American Physical Society
Journal:	Physical review. A, Atomic, molecular, and optical physics
ISSN:	1050-2947
EISSN:	1094-1622
Rights:	Physical Review A © 2002 American Physical Society. The Journal's web site is located at http://pra.aps.org/
Appears in Collections:	Journal/Magazine Article

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