Abstract
In this Letter, we show that a three-dimensional Bose-Einstein solitary wave can become stable if the dispersion law is changed from quadratic to quartic. We suggest a way to realize the quartic dispersion, using shaken optical lattices. Estimates show that the resulting solitary waves can occupy as little as ∼1/20-th of the Brillouin zone in each of the three directions and contain as many as N=103 atoms, thus representing a fully mobile macroscopic three-dimensional object.
| Original language | English |
|---|---|
| Pages (from-to) | 177-181 |
| Number of pages | 5 |
| Journal | Physics Letters, Section A: General, Atomic and Solid State Physics |
| Volume | 380 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Jul 19 2015 |
ASJC Scopus Subject Areas
- General Physics and Astronomy
Keywords
- Dispersion management
- Matter waves
- Shaken lattice
- Solitary waves
- Ultracold atoms
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