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Phys. Rev. Lett. 96, 170401 (2006) [4 pages]

Formation of Bright Matter-Wave Solitons during the Collapse of Attractive Bose-Einstein Condensates

Simon L. Cornish,1 Sarah T. Thompson,2 and Carl E. Wieman2
1Department of Physics, Durham University, Rochester Building, Science Laboratories, South Road, Durham DH1 3LE, United Kingdom
2JILA, National Institute of Standards and Technology and the University of Colorado, and the Department of Physics, University of Colorado, Boulder, Colorado 80309-0440, USA

Received 17 January 2006; published 3 May 2006

We observe bright matter-wave solitons form during the collapse of 85Rb condensates in a three-dimensional (3D) magnetic trap. The collapse is induced by using a Feshbach resonance to suddenly switch the atomic interactions from repulsive to attractive. Remnant condensates containing several times the critical number of atoms for the onset of instability are observed to survive the collapse. Under these conditions a highly robust configuration of 3D solitons forms such that each soliton satisfies the condition for stability and neighboring solitons exhibit repulsive interactions.

©2006 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.96.170401
DOI: 10.1103/PhysRevLett.96.170401
PACS: 03.75.Kk; 03.75.Lm; 05.45.Yv
  • 03.75.Kk
    Dynamic properties of Bose-Einstein condensates; collective and hydrodynamic excitations, superfluid flow
  • 03.75.Lm
    Josephson effect, tunneling, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations
  • 05.45.Yv
    Solitons
  • YEAR: 2006
KEYWORDS: Bose-Einstein condensation, solitons, magnetic traps, resonant states

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