Effects of dipolar interaction on vortex formation in spin-orbit coupled spin-1 rotating condensates

Author:

Zhao Qiang1ORCID,Bi HongJing2

Affiliation:

1. Department of Applied Physics, North China University of Science and Technology, Tangshan 063210, China

2. Department of Computer Science, Tangshan Normal University, Tangshan 063000, China

Abstract

In this paper, we study the vortex formation of spin-orbit coupled (SOC) spin-1 dipolar Bose–Einstein condensates by numerically solving the Gross–Pitaevskii equation. We focus the effects of dipole–dipole interaction (DDI) on vortex structures and dynamics behavior. We find that the symmetry of density profiles in vortex lattice formation process and time evolution of the angular momentum is broken in the presence of DDI. This is due to the symmetry breaking of anisotropy DDI. Also, the total angular momentum decreases with increasing the relative dipole strength. However, it is shown that increasing SOC strength can improve the rotation efficiency. This result reflects the SOC dominates the DDI.

Publisher

World Scientific Pub Co Pte Ltd

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

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