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Physical Review BVolume 101, Issue 18, 1 May 2020, Article number 184425

Magnetic response of a highly nonlinear soliton lattice in a monoaxial chiral helimagnet(Article)(Open Access)

  • Kishine, J.,
  • Ovchinnikov, A.S.
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  • aDivision of Natural and Environmental Sciences, Open University of Japan, Chiba, 261-8586, Japan
  • bInstitute for Molecular Science, 38 Nishigo-Naka, Myodaiji, Okazaki, 444-8585, Japan
  • cInstitute of Natural Science and Mathematics, Ural Federal University, Ekaterinburg, 620002, Russian Federation
  • dInstitute of Metal Physics, Ural Division, Russian Academy of Sciences, Ekaterinburg, 620219, Russian Federation

Abstract

We present a theory of nonlinear magnetic response of a chiral soliton lattice state in a monoaxial chiral helimagnet under an oscillating magnetic field. The chiral soliton lattice is stabilized by a static magnetic field applied perpendicular to the chiral axis. Just below the critical field strength, where an incommensurate-to-commensurate phase transition occurs, the soliton density becomes quite low and almost isolated 2π kinks are partitioned by vast ferromagnetic regions. We consider this highly nonlinear regime and demonstrate that internal deformations of each kink give rise to the nonlinear response in this regime. © 2020 American Physical Society.

Indexed keywords

Engineering controlled terms:Magnetic fieldsSolitons
Engineering uncontrolled termsCritical field strengthFerromagnetic regionsInternal deformationNon-linear regimesNon-linear responseNonlinear magnetic responseOscillating magnetic fieldsStatic magnetic fields
Engineering main heading:Lattice theory

Funding details

Funding sponsor Funding number Acronym
Japan Society for the Promotion of Science
See opportunities by KAKEN		17H02923KAKEN
Ministry of Education and Science of the Russian FederationFEUZ-2020-0054Minobrnauka
Foundation for the Advancement of Theoretical Physics and Mathematics17-11-107

  • 1

    The authors would like to express special thanks to Professor Masaki Mito and Professor Hidetoshi Fukuyama for very informative discussions during various stages. The authors also thank Victor Laliena, Javier Campo, and Yusuke Kato for fruitful discussions. This work was supported by JSPS KAKENHI Grant Number 17H02923. A.S.O. acknowledges funding by the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS Grant No. 17-11-107, and by Act 211 Government of the Russian Federation, Contract No. 02.A03.21.0006. A.S.O. thanks also the Ministry of Education and Science of the Russian Federation, Project No. FEUZ-2020-0054.

  • ISSN: 24699950
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1103/PhysRevB.101.184425
  • Document Type: Article
  • Publisher: American Physical Society


© Copyright 2020 Elsevier B.V., All rights reserved.

Cited by 4 documents

Ohkuma, M. , Mito, M. , Kousaka, Y.
Soliton locking phenomenon in bulk single crystal of monoaxial chiral magnet MnNb3S6
(2023) Applied Physics Letters
Laliena, V. , Campo, J.
Magnonic Goos–Hänchen Effect Induced by 1D Solitons
(2022) Advanced Electronic Materials
Inoue, K.
Chiral magnetism: Coupling static and dynamic chirality
(2021) Chemistry Letters
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