Vortex Lattice Structures of a Bose-Einstein Condensate in a Rotating Lattice Potential
T. Sato, T. Ishiyama, T. Nikuni
TL;DR
This paper investigates how vortex lattice structures in a Bose-Einstein condensate change under a rotating lattice potential, revealing a transition from Abrikosov to pinned lattices through numerical simulations.
Contribution
It provides a detailed numerical analysis of vortex lattice transitions in BECs under rotating lattice potentials, highlighting the effects of rotation speed and lattice parameters.
Findings
Transition from Abrikosov to pinned vortex lattice observed
Vortex lattice structure depends on angular velocity and lattice parameters
Numerical solutions of Gross-Pitaevskii equation elucidate vortex behavior
Abstract
We study vortex lattice structures of a trapped Bose-Einstein condensate in a rotating lattice potential by numerically solving the time-dependent Gross-Pitaevskii equation. By rotating the lattice potential, we observe the transition from the Abrikosov vortex lattice to the pinned lattice. We investigate the transition of the vortex lattice structure by changing conditions such as angular velocity, intensity, and lattice constant of the rotating lattice potential.
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