Maintaining supersolidity in one and two dimensions
arXiv:2108.02682 · doi:10.1103/PhysRevA.104.063307
Abstract
We theoretically investigate supersolidity in three-dimensional dipolar Bose-Einstein condensates. We focus on the role of trap geometry in determining the dimensionality of the resulting droplet arrays, which range from one-dimensional to zigzag, through to two-dimensional supersolids in circular traps. Supersolidity is well established in one-dimensional arrays, and may be just as favorable in two-dimensional arrays provided that one appropriately scales the atom number to the trap volume. We develop a tractable variational model--which we benchmark against full numerical simulations--and use it to study droplet crystals and their excitations. We also outline how exotic ring and stripe states may be created with experimentally-feasible parameters. Our work paves the way for future studies of two-dimensional dipolar supersolids in realistic settings.
9 pages, 4 figures
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- Two-Dimensional Supersolid Formation in Dipolar Condensates
- Alternating-domain supersolids in binary dipolar condensates
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