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Nii Y, Kikkawa A, Taguchi Y, et al. Elastic stiffness of a Skyrmion crystal. Phys Rev Lett. 2014;113(26):267203doi: 10.1103/PhysRevLett.113.267203.
Nii, Y., Kikkawa, A., Taguchi, Y., Tokura, Y., & Iwasa, Y. (2014). Elastic stiffness of a Skyrmion crystal. Physical review letters, 113(26), 267203. https://doi.org/10.1103/PhysRevLett.113.267203
Nii, Y, et al. "Elastic stiffness of a Skyrmion crystal." Physical review letters vol. 113,26 (2014): 267203. doi: https://doi.org/10.1103/PhysRevLett.113.267203
Nii Y, Kikkawa A, Taguchi Y, Tokura Y, Iwasa Y. Elastic stiffness of a Skyrmion crystal. Phys Rev Lett. 2014 Dec 31;113(26):267203. doi: 10.1103/PhysRevLett.113.267203. Epub 2014 Dec 30. PMID: 25615379.
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Phys Rev Lett. 2014 Dec 31;113(26):267203. doi: 10.1103/PhysRevLett.113.267203. Epub 2014 Dec 30.

Elastic stiffness of a Skyrmion crystal.

Physical review letters

Y Nii, A Kikkawa, Y Taguchi, Y Tokura, Y Iwasa

Affiliations

  1. RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
  2. RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan and Department of Applied Physics and Quantum-Phase Electronics Center (QPEC), University of Tokyo, Tokyo 113-8656, Japan.

PMID: 25615379 DOI: 10.1103/PhysRevLett.113.267203

Abstract

We observe the elastic stiffness and ultrasonic absorption of a Skyrmion crystal in the chiral-lattice magnet MnSi. The Skyrmion crystal lattice exhibits a stiffness 3 orders of magnitude smaller than that of the atomic lattice of MnSi, being as soft as the flux line lattice in type-II superconductors. The observed anisotropic elastic responses are consistent with the cylindrical shape of the Skyrmion spin texture. Phenomenological analysis reveals that the spin-orbit coupling is responsible for the emergence of anisotropic elasticity in the Skyrmion lattice.

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