# Theory of the skyrmion, meron, antiskyrmion, and antimeron in chiral magnets

@article{Bera2019TheoryOT, title={Theory of the skyrmion, meron, antiskyrmion, and antimeron in chiral magnets}, author={Sandipan Bera and Sudhansu S. Mandal}, journal={arXiv: Mesoscale and Nanoscale Physics}, year={2019}, volume={1} }

We find closed-form solution of the Euler equation for a chiral magnet in terms of a skyrmion or a meron depending on the relative strengths of magnetic anisotropy and magnetic field. We show that the relevant length scales for these solutions primarily depend on the strengths of Dzyaloshinskii-Moriya interaction through its ratios, respectively, with magnetic field and magnetic anisotropy. We thus unambiguously determine the parameter dependencies on the radius of the topological structures…

## 6 Citations

Interaction between skyrmions and antiskyrmions in a coexisting phase of a Heusler material

- Physics, Materials Science
- 2020

Coexisting phases of magnetic skyrmions and antiskyrmions have proposed to exhibit a variety of fascinating properties, owing to interactions between them. The recent discovery of the coexisting…

Hydrodynamic model of skyrmions and vorticities in the spin-1 Bose-Einstein condensate in ferromagnetic phase at finite temperatures

- Physics
- 2021

Quantum hydrodynamic of skyrmions in spinor ultracold bosons at the finite temperature is described. The limit regime of BEC appearing at the zero temperature is discussed either. The skyrmions are…

Skyrmions at vanishingly small Dzyaloshinskii–Moriya interaction or zero magnetic field

- Medicine, PhysicsJournal of physics. Condensed matter : an Institute of Physics journal
- 2021

A numerical simulation of this model with further introduction of magnetic anisotropy and magnetic field predicts many other magnetic structures some of which are already observed in the experiments, and nanoscale skyrmion even at vanishingly small DMI is found for the first time in a model.

Square skyrmion crystal in centrosymmetric itinerant magnets

- Physics
- 2021

We theoretically investigate the origin of the square-type skyrmion crystal in centrosymmetric itinerant magnets, motivated by the recent experimental findings in…

Dzyaloshinskii–Moriya-like interaction in ferroelectrics and antiferroelectrics

- Physics, MedicineNature Materials
- 2020

First-principles simulations combined with group theoretical symmetry analysis are demonstrated to demonstrate that electric DMI does exist and has a one-to-one correspondence with its magnetic analogue, but also reveals a physical source for it.

Length-scale independent skyrmion and meron Hall angles.

- Physics, MedicineJournal of physics. Condensed matter : an Institute of Physics journal
- 2020

It is found that the skyrmion Hall angle is independent of input current density and the length-scale which determines the radius of a skyrnion, and this property enables us to propose an experimental setup by which the transverse motion of a skating machine can be restricted so that theSkyrmions can only traverse longitudinally.

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