Spontaneous Crystallization And Filamentation Of Solitons In Dipolar Condensates

Details Spontaneous Crystallization And Filamentation Of Solitons In Dipolar Condensates Spontaneous Crystallization And Filamentation Of Solitons In Dipolar Condensates

2011-07-15

arxiv.org/abs/1107.3132v2

Phys. Rev. A 85, 033618 (2012)

Physics

Condensed Matter

Quantum Gases

6 pages, 7 figures

Scientific paper

10.1103/PhysRevA.85.033618

Inter-site interactions play a crucial role in polar gases in optical lattices even in the absence of hopping. We show that due to these long-range interactions a destabilized stack of quasi-one dimensional Bose-Einstein condensates develops a correlated modulational instability in the non-overlapping sites. Interestingly, this density pattern may evolve spontaneously into soliton filaments or a crystal of solitons that can be so created for the first time in ultra-cold gases. These self-assembled structures may be observed under realistic conditions within current experimental feasibilities.

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