Vortices in dipolar Bose-Einstein condensates

TL;DR

This paper investigates the properties of quantized vortices in three-dimensional dipolar Bose-Einstein condensates, emphasizing the effects of trap geometry, magnetic field tilt, and beyond-mean-field interactions on vortex stability and behavior.

Contribution

It provides a detailed analysis of vortex characteristics in dipolar BECs, highlighting the importance of beyond-mean-field effects and the influence of external parameters.

Findings

Vortex stability depends on trap geometry and magnetic field orientation.

Beyond-mean-field effects are essential for understanding vortex stability.

The study offers insights into vortex behavior in dipolar quantum fluids.

Abstract

Quantized vortices are the hallmark of superfluidity, and are often sought out as the first observable feature in new superfluid systems. Following the recent experimental observation of vortices in Bose-Einstein condensates comprised of atoms with inherent long-range dipole-dipole interactions [Nat. Phys. 18, 1453-1458 (2022)], we thoroughly investigate vortex properties in the three-dimensional dominantly dipolar regime, where beyond-mean-field effects are crucial for stability, and investigate the interplay between trap geometry and magnetic field tilt angle.