Effect of transverse confinement on a quasi-one dimensional dipolar Bose gas

Abstract

We study a gas of bosonic dipolar atoms in the presence of a transverse harmonic trapping potential by using an improved variational Bethe ansatz, which includes the transverse width of the atomic cloud as a variational parameter. Our calculations show that the system behavior evolves from quasi-one dimensional to a strictly one-dimensional one by changing the atom-atom interaction, or the axial density, or the frequency of the transverse confinement. Quite remarkably, in the droplet phase induced by the attractive dipolar interaction the system becomes sub-one dimensional when the transverse width is smaller than the characteristic length of the transverse harmonic confinement.

6 pages, 4 figures (v1) 8 pages, 5 figures to be published in MDPI Condensed Matter Special Issue "Fluctuations and Highly Non-linear Phenomena in Superfluids and Superconductors VII", proceedings of Superfluctuations 2022, Padova

References in corpus (5)

• Self-bound droplets of a dilute magnetic quantum liquid
• Dipolar gases in quasi one-dimensional geometries
• Variational Bethe Ansatz approach for dipolar one-dimensional bosons
• Formation and fragmentation of quantum droplets in a quasi-one dimensional dipolar Bose gas
• Polarization angle dependence of the breathing modes in confined one-dimensional dipolar bosons

Cited by in corpus (3)

• Modulational instability and discrete quantum droplets in a deep quasi-one-dimensional optical lattice
• Breathing mode of a quantum droplet in a quasi-one-dimensional dipolar Bose gas
• Mini droplet, mega droplet and stripe formation in a dipolar condensate