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Title: Vortex Crystals with Chiral Stripes in Itinerant Magnets

Journal Article · · Journal of the Physical Society of Japan
 [1];  [2]; ORCiD logo [3];  [4];  [1];  [5]
  1. Univ. of Tokyo (Japan). Dept. of Applied Physics
  2. Hokkaido Univ., Sapporo (Japan). Dept. of Physics
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. Univ. of Virginia, Charlottesville, VA (United States). Dept. of Physics
  5. 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
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Here, we study noncoplanar magnetic ordering in frustrated itinerant magnets. For a family of Kondo square lattice models with classical local moments, we find that a double-Q noncoplanar vortex crystal has lower energy than the single-Q helical order expected from the Ruderman–Kittel–Kasuya–Yosida interaction when the lattice symmetry dictates four global maxima in the bare magnetic susceptibility. By expanding in the small Kondo exchange and the degree of noncoplanarity, we demonstrate that this noncoplanar state arises from a Fermi surface instability occurring in independent sections connected by two ordering wave vectors.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
89233218CNA000001
OSTI ID:
1485386
Report Number(s):
LA-UR-15-27951
Journal Information:
Journal of the Physical Society of Japan, Vol. 85, Issue 10; ISSN 0031-9015
Publisher:
Physical Society of JapanCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 73 works
Citation information provided by
Web of Science

Cited By (11)

Creation and annihilation of topological meron pairs in in-plane magnetized films journal December 2019
Transformation between meron and skyrmion topological spin textures in a chiral magnet journal December 2018
Gradient-based stochastic estimation of the density matrix journal March 2018
Vortices, skyrmions, and chirality waves in frustrated Mott insulators with a quenched periodic array of impurities journal November 2016
Effect of magnetic anisotropy on skyrmions with a high topological number in itinerant magnets journal March 2019
Topological Magnetic Phase in the Candidate Weyl Semimetal CeAlGe journal January 2020
Itinerancy-dependent noncollinear spin textures in SrFeO 3 ,   CaFeO 3 , and CaFeO 3 / SrFeO 3 heterostructures probed via resonant x-ray scattering journal August 2019
Multiple- q noncollinear magnetism in an itinerant hexagonal magnet journal November 2018
Phase Transitions in the Antiferromagnetic Heisenberg Model on a Body-Centered Cubic Lattice with Allowance for the Next-Nearest-Neighbor Interactions journal June 2018
Vortices, skyrmions, and chirality waves in frustrated Mott insulators with a quenched periodic array of impurities text January 2016
Effective bilinear-biquadratic model for noncoplanar ordering in itinerant magnets text January 2017

Figures / Tables (4)

FIG. 1(p. 3)figure FIG. 1
FIG. 2(p. 4)figure FIG. 2
FIG. 3(p. 5)figure FIG. 3
FIG. 4(p. 5)figure FIG. 4

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Related Subjects

36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
High Magnetic Field Science
Material Science