Two-dimensional nonlinear dynamics of evanescent-wave guided atoms in a hollow fiber

Liu, X. M. and Milburn, G. J. (2000) Two-dimensional nonlinear dynamics of evanescent-wave guided atoms in a hollow fiber. Physical Review A, 61 053401: 053401-1-053401-7. doi:10.1103/PhysRevA.61.053401

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Author Liu, X. M.
Milburn, G. J.
Title Two-dimensional nonlinear dynamics of evanescent-wave guided atoms in a hollow fiber
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2000
Sub-type Article (original research)
DOI 10.1103/PhysRevA.61.053401
Open Access Status File (Publisher version)
Volume 61
Issue 053401
Start page 053401-1
End page 053401-7
Total pages 7
Place of publication College Park, US
Publisher American Physical Soc
Collection year 2000
Language eng
Subject 240499 Optical Physics not elsewhere classified
780102 Physical sciences
C1
Abstract We describe the classical and quantum two-dimensional nonlinear dynamics of large blue-detuned evanescent-wave guiding cold atoms in hollow fiber. We show that chaotic dynamics exists for classic dynamics, when the intensity of the beam is periodically modulated. The two-dimensional distributions of atoms in (x,y) plane are simulated. We show that the atoms will accumulate on several annular regions when the system enters a regime of global chaos. Our simulation shows that, when the atomic flux is very small, a similar distribution will be obtained if we detect the atomic distribution once each the modulation period and integrate the signals. For quantum dynamics, quantum collapses, and revivals appear. For periodically modulated optical potential, the variance of atomic position will be suppressed compared to the no modulation case. The atomic angular momentum will influence the evolution of wave function in two-dimensional quantum system of hollow fiber.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Bose-einstein Condensation
Position Measurement
Optical-fields
Quantum-theory
Gas
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
 
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Created: Mon, 13 Aug 2007, 11:45:17 EST