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  • Letter
  • Open Access

Fractional skyrme lines in ferroelectric barium titanate

Chris Halcrow* and Egor Babaev

  • *Contact author: chalcrow@kth.se
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Phys. Rev. Research 6, L032011 – Published 11 July, 2024

DOI: https://doi.org/10.1103/PhysRevResearch.6.L032011

Abstract

We predict a topological defect in perfectly screened ferroelectric barium titanate which we call a skyrme line. These are linelike objects characterized by skyrmionic topological charge. As well as configurations with integer topological charge, the charge density can split into well-localized parts carrying a localized fraction of topological charge. We show that under certain conditions the fractional skyrme lines are stable. We discuss a mechanism to create fractional topological charge objects and investigate their stability.

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References (38)

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Phys. Rev. Research 6, L032011– Published 11 July, 2024
  • Received 18 October 2023
  • Revised 9 January 2024
  • Accepted 7 June 2024
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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. Funded by Bibsam.

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