Anisotropic sound and shock waves in dipolar Bose-Einstein condensate

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Two-dimensional dipolar Bose-Einstein condensate bright and vortex solitons on a one-dimensional optical lattice

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Dynamics of quasi-one-dimensional bright and vortex solitons of a dipolar Bose-Einstein condensate with repulsive atomic interaction

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Gap solitons in a dipolar Bose-Einstein condensate on a three-dimensional optical lattice

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Localization of a dipolar Bose-Einstein condensate in a bichromatic optical lattice

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Dipolar Bose-Einstein condensate soliton on a two-dimensional optical lattice

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Self-trapping of a binary Bose-Einstein condensate induced by interspecies interaction

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Symmetry breaking in a localized interacting binary Bose-Einstein condensate in a bichromatic optical lattice

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Self-trapping of a Fermi superfluid in a double-well potential in the Bose-Einstein-condensate-unitarity crossover

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Localization of a Bose-Einstein-condensate vortex in a bichromatic optical lattice

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Dipolar Bose-Einstein condensate in a ring or in a shell

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Mixing, demixing, and structure formation in a binary dipolar Bose-Einstein condensate

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Coherent atomic oscillations and resonances between coupled Bose-Einstein condensates with time-dependent trapping potential

The atomic tunneling between two tunnel-coupled Bose-Einstein condensates (BECs) in a double-well time-dependent trap was studied. For the slowly varying trap, synchronization of oscillations of the trap with oscillations of the relative population was predicted. Using the Melnikov approach, the appearance of the chaotic oscillations in the tunneling phenomena between the condensates was confirmed.

Stabilizing an attractive Bose-Einstein condensate by driving a surface collective mode

Bose-Einstein condensates with attractive interatomic interactions undergo collective collapse beyond a critical number. We show theoretically that if the low-lying collective modes of the condensate are excited, the radial breathing mode further destabilizes the condensate. Remarkably, excitation of the quadrupolar surface mode causes the condensate to become more stable, imparting quasiangular momentum to it. A significantly larger number of atoms may then occupy the condensate. Efforts are under way for the experimental realization of these effects. ©2001 The American Physical Society.