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Bubble and Skyrmion Crystals in Frustrated Magnets with Easy-Axis Anisotropy [electronic resource].

Published:
Washington, D.C. : United States. National Nuclear Security Administration, 2016.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description:
Article numbers 184,413 : digital, PDF file
Additional Creators:
Los Alamos National Laboratory, United States. National Nuclear Security Administration, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
Here we clarify the conditions for the emergence of multiple-Q structures out of lattice and easy-axis spin anisotropy in frustrated magnets. By considering magnets whose exchange interaction has multiple global minima in momentum space, we find that both types of anisotropy stabilize triple-Q orderings. Moderate anisotropy leads to a magnetic field-induced skyrmion crystal, which evolves into a bubble crystal for increasing spatial and spin anisotropy. Lastly, the bubble crystal exhibits a quasi-continuous (devil’s staircase) temperature dependent ordering wave-vector, characteristic of the competition between frustrated exchange and strong easy-axis anisotropy.
Report Numbers:
E 1.99:la-ur--16-20104
la-ur--16-20104
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Note:
Published through SciTech Connect.
05/12/2016.
"la-ur--16-20104"
Physical Review B 93 18 ISSN 2469-9950 AM
Satoru Hayami; Shizeng Lin; Cristian Daniel Batista.
Funding Information:
AC52-06NA25396
View MARC record | catkey: 23758822