Vortices and ring solitons in Bose-Einstein condensates

Journal Article · Sun Oct 15 04:00:00 EDT 2006 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.74.043613· OSTI ID:20863954

Carr, L D ^[1]; Clark, Charles W ^[2]

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1. Physics Department, Colorado School of Mines, Golden, Colorado 80401 (United States)
2. Electron and Optical Physics Division, National Institute of Standards and Technology, Technology Administration, U.S. Department of Commerce, Gaithersburg, Maryland 20899 (United States)

The form and stability properties of axisymmetric and spherically symmetric stationary states in two and three dimensions, respectively, are elucidated for Bose-Einstein condensates. These states include the ground state, central vortices, and radial excitations of both. The latter are called ring solitons in two dimensions and spherical shells in three. The nonlinear Schroedinger equation is taken as the fundamental model; both extended and harmonically trapped condensates are considered. It is found that the instability times of ring solitons can be long compared to experimental time scales, making them effectively stable over the lifetime of an experiment.

• OSTI ID: 20863954
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 4 Vol. 74; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
AXIAL SYMMETRY
BOSE-EINSTEIN CONDENSATION
EXCITATION
GROUND STATES
INSTABILITY
LIFETIME
NONLINEAR PROBLEMS
SCHROEDINGER EQUATION
SOLITONS
SPHERICAL CONFIGURATION
STABILITY
TRAPPING
VORTICES