2020

Vortex properties in the extended supersolid phase of dipolar Bose-Einstein condensates

Ancilotto, Francesco, Barranco, Manuel, Pi, Marti et al.

Understand

We study the properties of singly-quantized linear vortices in the supersolid phase of a dipolar Bose-Einstein condensate at zero temperature modeling $^{164}$Dy atoms.

The system is extended in the $x-y$ plane and confined by a harmonic trap in the the polarization direction $z$.
Our study is based on a generalized Gross-Pitaevskii equation.
We characterize the ground state of the system in terms of spatial order and superfluid fraction and compare the properties of a single vortex and of a vortex dipole in the superfluid phase (SFP) and in the supersolid phase (SSP).

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