Meron, skyrmion, and vortex crystals in centrosymmetric tetragonal magnets
Abstract
The recent experimental confirmation of a transformation between meron and skyrmion topological spin textures in the chiral magnet Co8Zn9Mn3 confirms that the skyrmion crystals discovered in 2009 are just the tip of the iceberg. Crystals of topological textures, including skyrmions, merons, vortices, and monopoles, can be stabilized by combining simple physical ingredients, such as lattice symmetry, frustration, and spin anisotropy. The current challenge is to find the combinations of these ingredients that produce specific topological spin textures. In this work, we report a simple mechanism for the stabilization of meron, skyrmion, and vortex crystals in centrosymmetric tetragonal magnets. In particular, the meron/skyrmion crystals can form even in absence of magnetic field. The application of magnetic field leads to a rich variety of topological spin textures that survive in the long wavelength limit of the theory. When conduction electrons are coupled to the spins, these topological spin textures twist the electronic wave functions to induce Chern insulators and Weyl semimetals for specific band filling fractions.
- Authors:
-
- Univ. of Tennessee, Knoxville, TN (United States); Univ. of Minnesota, Minneapolis, MN (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); USDOE National Nuclear Security Administration (NNSA); National Aeronautics and Space Administration (NASA); USDOE Laboratory Directed Research and Development (LDRD) Program
- OSTI Identifier:
- 1788157
- Alternate Identifier(s):
- OSTI ID: 1812667
- Report Number(s):
- LA-UR-20-29175
Journal ID: ISSN 2469-9950; TRN: US2210549
- Grant/Contract Number:
- AC05-00OR22725; SC0016371; 89233218CNA000001
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. B
- Additional Journal Information:
- Journal Volume: 103; Journal Issue: 10; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Material Science
Citation Formats
Wang, Zhentao, Su, Ying, Lin, Shi-Zeng, and Batista, Cristian D. Meron, skyrmion, and vortex crystals in centrosymmetric tetragonal magnets. United States: N. p., 2021.
Web. doi:10.1103/physrevb.103.104408.
Wang, Zhentao, Su, Ying, Lin, Shi-Zeng, & Batista, Cristian D. Meron, skyrmion, and vortex crystals in centrosymmetric tetragonal magnets. United States. https://doi.org/10.1103/physrevb.103.104408
Wang, Zhentao, Su, Ying, Lin, Shi-Zeng, and Batista, Cristian D. Thu .
"Meron, skyrmion, and vortex crystals in centrosymmetric tetragonal magnets". United States. https://doi.org/10.1103/physrevb.103.104408. https://www.osti.gov/servlets/purl/1788157.
@article{osti_1788157,
title = {Meron, skyrmion, and vortex crystals in centrosymmetric tetragonal magnets},
author = {Wang, Zhentao and Su, Ying and Lin, Shi-Zeng and Batista, Cristian D.},
abstractNote = {The recent experimental confirmation of a transformation between meron and skyrmion topological spin textures in the chiral magnet Co8Zn9Mn3 confirms that the skyrmion crystals discovered in 2009 are just the tip of the iceberg. Crystals of topological textures, including skyrmions, merons, vortices, and monopoles, can be stabilized by combining simple physical ingredients, such as lattice symmetry, frustration, and spin anisotropy. The current challenge is to find the combinations of these ingredients that produce specific topological spin textures. In this work, we report a simple mechanism for the stabilization of meron, skyrmion, and vortex crystals in centrosymmetric tetragonal magnets. In particular, the meron/skyrmion crystals can form even in absence of magnetic field. The application of magnetic field leads to a rich variety of topological spin textures that survive in the long wavelength limit of the theory. When conduction electrons are coupled to the spins, these topological spin textures twist the electronic wave functions to induce Chern insulators and Weyl semimetals for specific band filling fractions.},
doi = {10.1103/physrevb.103.104408},
journal = {Physical Review. B},
number = 10,
volume = 103,
place = {United States},
year = {Thu Mar 04 00:00:00 EST 2021},
month = {Thu Mar 04 00:00:00 EST 2021}
}
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