Vortices, skyrmions, and chirality waves in frustrated Mott insulators with a quenched periodic array of impurities

Hayami, Satoru; Lin, Shi -Zeng; Kamiya, Yoshitomo; Batista, Cristian D.

doi:10.1103/PhysRevB.94.174420

Title: Vortices, skyrmions, and chirality waves in frustrated Mott insulators with a quenched periodic array of impurities

Journal Article · Thu Nov 10 00:00:00 EST 2016 · Physical Review B

DOI:https://doi.org/10.1103/PhysRevB.94.174420· OSTI ID:1345166

Hayami, Satoru ^[1];

^[2]; Kamiya, Yoshitomo ^[3]; Batista, Cristian D. ^[4]

Hokkaido Univ., Sapporo (Japan)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
RIKEN, Saitama (Japan)
Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Finite-Q magnetic instabilities are rather common in frustrated magnets. When the magnetic susceptibility is maximized at multiple-Q vectors related through lattice symmetry operations, exotic magnetic orderings such as vortex and skyrmion crystals may follow. Here, we show that a periodic array of nonmagnetic impurities, which can be realized through charge density wave ordering, leads to a rich phase diagram featuring a plethora of chiral magnetic phases, especially when there is a simple relation between the reciprocal vectors of the impurity superlattice and the magnetic Q vectors. We also investigate the effect of changing the impurity concentration or disturbing the impurity array with small quenched randomness. Lastly, alternative realizations of impurity superlattices are briefly discussed.

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Research Organization:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Laboratory Directed Research and Development (LDRD) Program

Grant/Contract Number:: AC52-06NA25396

OSTI ID:: 1345166

Alternate ID(s):: OSTI ID: 1331722

Report Number(s):: LA-UR-16-25628; PRBMDO; TRN: US1701266

Journal Information:: Physical Review B, Vol. 94, Issue 17; ISSN 2469-9950

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 33 works

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Field-induced pseudo-skyrmion phase in the antiferromagnetic kagome lattice Villalba, M. E.; Gómez Albarracín, F. A.; Rosales, H. D. Physical Review B, Vol. 100, Issue 24 https://doi.org/10.1103/physrevb.100.245106	journal	December 2019
Skyrmion Crystals and Phase Transitions in Magneto-Ferroelectric Superlattices: Dzyaloshinskii–Moriya Interaction in a Frustrated J1 − J2 Model Sharafullin, Ildus F.; Diep, Hung T. Symmetry, Vol. 12, Issue 1 https://doi.org/10.3390/sym12010026	journal	December 2019
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Field-induced pseudo-skyrmion phase in the antiferromagnetic kagome lattice Villalba, M. E.; Albarracín, F. A. Gómez; Rosales, H. D. arXiv https://doi.org/10.48550/arxiv.1907.01982	text	January 2019
Skyrmion Crystal and Phase Transition in Magneto-Ferroelectric Superlattices: Dzyaloshinskii-Moriya Interaction in a Frustrated $J_1-J_2$ Model Sharafullin, Ildus F.; Diep, H. T. arXiv https://doi.org/10.48550/arxiv.1912.12337	text	January 2019

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Title: Vortices, skyrmions, and chirality waves in frustrated Mott insulators with a quenched periodic array of impurities

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