Splitting of doubly quantized vortices in dilute Bose-Einstein condensates

TL;DR

This paper studies how doubly quantized vortices in dilute Bose-Einstein condensates split over time, highlighting the role of thermal atoms in their decay process.

Contribution

It demonstrates the dynamics and decay mechanisms of doubly charged vortices, emphasizing the influence of thermal atoms on vortex splitting.

Findings

Doubly quantized vortices have specific splitting times.

Thermal atoms are responsible for vortex decay.

Vortex splitting dynamics are characterized.

Abstract

We investigate the dynamics of doubly charged vortices generated in dilute Bose-Einstein condensates by using the topological phase imprinting technique. We find splitting times of such vortices and show that thermal atoms are responsible for their decay.