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  • Letter
  • Open Access

Magnetic soliton: From two to three components with SO(3) symmetry

Xiao Chai1,*, Di Lao1, Kazuya Fujimoto2,3, and Chandra Raman1

  • 1School of Physics, Georgia Institute of Technology, 837 State Street, Atlanta, Georgia 30332, USA
  • 2Institute for Advanced Research, Nagoya University, Nagoya 464-8601, Japan
  • 3Department of Applied Physics, Nagoya University, Nagoya 464-8603, Japan

  • *xchai@gatech.edu
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Phys. Rev. Research 3, L012003 – Published 6 January, 2021

DOI: https://doi.org/10.1103/PhysRevResearch.3.L012003

Abstract

Recent theoretical and experimental research has explored magnetic solitons in binary Bose-Einstein condensates. Here we demonstrate that such solitons are part of an SO(3) soliton family when embedded within a full three-component spin-1 manifold with spin-rotational symmetry. To showcase this, we have experimentally created a type of domain wall magnetic soliton obtained by 90∘ rotations, which consists of a boundary between easy-axis and easy-plane polar phases. Collisions between SO(3) solitons are investigated by numerically solving the Gross-Pitaevskii equations, which exhibit novel properties, including rotation and dissipation of soliton spin polarization.

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Phys. Rev. Research 3, L012003– Published 6 January, 2021
  • Received 26 October 2020
  • Accepted 17 December 2020
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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