Quench-produced solitons in a box-trapped Bose-Einstein condensate
arXiv:2002.10491 · doi:10.1103/PhysRevResearch.2.043256
Abstract
We describe a protocol to prepare solitons in a quasi-1d box-trapped Bose-Einstein condensate using only a quench of the isotropic s-wave scattering length. A quench to exactly four times the initial 1d coupling strength creates one soliton at each boundary of the box, which then propagate in a uniform background density and collide with one another. No nonsolotonic excitations are created during the quench. The procedure is robust against imperfections in the scattering length ramp rate and a mismatch of the final scattering length.
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Cited by in corpus (3)
- Observation of self-patterned defect formation in atomic superfluids -- from ring dark solitons to vortex dipole necklaces
- Quench dynamics of Bose-Einstein condensates in boxlike traps
- Dynamical nonlinear excitations induced by interaction quench in a two-dimensional box-trapped Bose-Einstein condensate