Elastic stiffness of a Skyrmion crystal.

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

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

Afiliación

Nii Y; RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
Kikkawa A; RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
Taguchi Y; RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan.
Tokura Y; 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.
Iwasa Y; 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.

Phys Rev Lett ; 113(26): 267203, 2014 Dec 31.

Article en En | MEDLINE | ID: mdl-25615379

RESUMEN

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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Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Qualitative_research Idioma: En Revista: Phys Rev Lett Año: 2014 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos

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