Nimrod Moiseyev et al 2004 J. Phys. B: At. Mol. Opt. Phys. 37 L193 doi:10.1088/0953-4075/37/9/L02
Nimrod Moiseyev1,5, L D Carr2,6, Boris A Malomed3 and Y B Band4
Show affiliationsIt is shown using the Gross–Pitaevskii equation that resonance states of Bose–Einstein condensates with attractive interactions can be stabilized into true bound states. A semiclassical variational approximation and an independent quantum variational numerical method are used to calculate the energies (chemical potentials) and linewidths of resonances of the time-independent Gross–Pitaevskii equation; both methods produce similar results. Borders between the regimes of resonances, bound states and, in two and three dimensions, collapse are identified.
03.75.Hh Static properties of condensates; thermodynamical, statistical and structural properties
Issue 9 (14 May 2004)
Received 22 March 2004
Published 23 April 2004
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