Autosolitons in trapped Bose-Einstein condensates with two- and three-body inelastic processes

Details Autosolitons in trapped Bose-Einstein condensates with two- and three-body inelastic processes Autosolitons in trapped Bose-Einstein condensates with two- and three-body inelastic processes

2000-10-10

arxiv.org/abs/cond-mat/0010152v1

Phys. Rev. A 63, 053603 (2001).

Physics

Condensed Matter

Soft Condensed Matter

6 figures, to be published in Phys. Rev. A (2001)

Scientific paper

10.1103/PhysRevA.63.053603

In this work, we consider the conditions for the existence of autosolitons, in trapped Bose-Einstein condensates with attractive atomic interactions. First, the variational approach is employed to estimate the stationary solutions for the three-dimensional Gross-Pitaevskii equation with trap potential, linear atomic feeding from the thermal cloud and two- and three-body inelastic processes. Next, by using exact numerical calculations, we show that the variational approach gives reliable analytical results. We also discuss the possible observation of autosolitons in experiments with Lithium-7.

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