Noncircular skyrmion and its anisotropic response in thin films of chiral magnets under a tilted magnetic field
Abstract
Here we study the equilibrium and dynamical properties of skyrmions in thin films of chiral magnets with oblique magnetic field. The shape of an individual skyrmion is non-circular and the skyrmion density decreases with the tilt angle from the normal of films. As a result, the interaction between two skyrmions depends on the relative angle between them in addition to their separation. The triangular lattice of skyrmions under a perpendicular magnetic field is distorted into a centered rectangular lattice for a tilted magnetic field. For a low skyrmion density, skyrmions form a chain like structure. Lastly, the dynamical response of the non-circular skyrmions depends on the direction of external currents.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1255073
- Alternate Identifier(s):
- OSTI ID: 1224924
- Report Number(s):
- LA-UR-15-26477
Journal ID: ISSN 1098-0121; PRBMDO
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physical Review. B, Condensed Matter and Materials Physics
- Additional Journal Information:
- Journal Volume: 92; Journal Issue: 18; Journal ID: ISSN 1098-0121
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Lin, Shi-Zeng, and Saxena, Avadh. Noncircular skyrmion and its anisotropic response in thin films of chiral magnets under a tilted magnetic field. United States: N. p., 2015.
Web. doi:10.1103/PhysRevB.92.180401.
Lin, Shi-Zeng, & Saxena, Avadh. Noncircular skyrmion and its anisotropic response in thin films of chiral magnets under a tilted magnetic field. United States. https://doi.org/10.1103/PhysRevB.92.180401
Lin, Shi-Zeng, and Saxena, Avadh. 2015.
"Noncircular skyrmion and its anisotropic response in thin films of chiral magnets under a tilted magnetic field". United States. https://doi.org/10.1103/PhysRevB.92.180401. https://www.osti.gov/servlets/purl/1255073.
@article{osti_1255073,
title = {Noncircular skyrmion and its anisotropic response in thin films of chiral magnets under a tilted magnetic field},
author = {Lin, Shi-Zeng and Saxena, Avadh},
abstractNote = {Here we study the equilibrium and dynamical properties of skyrmions in thin films of chiral magnets with oblique magnetic field. The shape of an individual skyrmion is non-circular and the skyrmion density decreases with the tilt angle from the normal of films. As a result, the interaction between two skyrmions depends on the relative angle between them in addition to their separation. The triangular lattice of skyrmions under a perpendicular magnetic field is distorted into a centered rectangular lattice for a tilted magnetic field. For a low skyrmion density, skyrmions form a chain like structure. Lastly, the dynamical response of the non-circular skyrmions depends on the direction of external currents.},
doi = {10.1103/PhysRevB.92.180401},
url = {https://www.osti.gov/biblio/1255073},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 18,
volume = 92,
place = {United States},
year = {Tue Nov 03 00:00:00 EST 2015},
month = {Tue Nov 03 00:00:00 EST 2015}
}
Web of Science
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