Spontaneous Crystallization And Filamentation Of Solitons In Dipolar Condensates
arXiv:1107.3132 · doi:10.1103/PhysRevA.85.033618
Abstract
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.
6 pages, 7 figures
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- Faraday patterns in coupled one-dimensional dipolar condensates
- Mixing, demixing, and structure formation in a binary dipolar Bose-Einstein condensate
- Symmetry breaking in dipolar matter-wave solitons in dual-core couplers
- Quantum Phases of Dipolar Bosons in Bilayer Geometry
- A dipolar droplet bound in a trapped Bose-Einstein condensate
- Stripe and checkerboard patterns in a stack of driven quasi-one-dimensional dipolar condensates
- Bright solitons in Bose-Einstein condensates with field-induced dipole moments
- Interwires polar soliton molecules in a biwire system
- Emergence of a collective crystal in a classical system with long-range interactions
- Density engineering via inter-condensate dipole-dipole interactions
- Soliton Dimer-soliton scattering in coupled Quasi-one-dimensional Dipolar Bose-Einstein Condensates