Face Centered Cubic and Hexagonal Close Packed Skyrmion Crystals in Centrosymmetric Magnets

Lin, Shi-Zeng; Batista, Cristian

doi:10.1103/PhysRevLett.120.077202

Title: Face Centered Cubic and Hexagonal Close Packed Skyrmion Crystals in Centrosymmetric Magnets

Journal Article · Tue Feb 13 00:00:00 EST 2018 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.120.077202· OSTI ID:1469539

^[1]; Batista, Cristian ^[2]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division and Shull-Wollan Center

Skyrmions are disklike objects that typically form triangular crystals in two-dimensional systems. This situation is analogous to the so-called pancake vortices of quasi-two-dimensional superconductors. The way in which Skyrmion disks or “pancake Skyrmions” pile up in layered centrosymmetric materials is dictated by the interlayer exchange. Here, unbiased Monte Carlo simulations and simple stabilization arguments reveal face centered cubic and hexagonal close packed Skyrmion crystals for different choices of the interlayer exchange, in addition to the conventional triangular crystal of Skyrmion lines. Moreover, an inhomogeneous current induces a sliding motion of pancake Skyrmions, indicating that they behave as effective mesoscale particles.

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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:: 1469539

Alternate ID(s):: OSTI ID: 1420368

Report Number(s):: LA-UR-17-26387; PRLTAO

Journal Information:: Physical Review Letters, Vol. 120, Issue 7; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 30 works

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Cited By (1)

Principal Chiral Model in Correlated Electron Systems Batista, Cristian D.; Shifman, Mikhail; Wang, Zhentao arXiv https://doi.org/10.48550/arxiv.1808.00633	text	January 2018

Figures / Tables (8)

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