Bubble and skyrmion crystals in frustrated magnets with easy-axis anisotropy


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PhysRevB.93.184413.pdf

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/62728

Title:	Bubble and skyrmion crystals in frustrated magnets with easy-axis anisotropy
Authors:	Hayami, Satoru Browse this author
	Lin, Shi-Zeng Browse this author
	Batista, Cristian D. Browse this author
Issue Date:	13-May-2016
Publisher:	American Physical Society (APS)
Journal Title:	Physical Review B
Volume:	93
Issue:	18
Start Page:	184413
Publisher DOI:	10.1103/PhysRevB.93.184413
Abstract:	We clarify the conditions for the emergence of multiple-Qstructures 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. The bubble crystal exhibits a quasicontinuous (devil's staircase) temperature-dependent ordering wave vector, characteristic of the competition between frustrated exchange and strong easy-axis anisotropy.
Type:	article
URI:	http://hdl.handle.net/2115/62728
Appears in Collections:	理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 速水賢

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