Magnetic texture-induced thermal Hall effects

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Magnetic texture-induced thermal Hall effects

JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)

ID	2841493
Author(s)	van Hoogdalem, Kevin A.; Tserkovnyak, Yaroslav; Loss, Daniel
Author(s) at UniBasel	Loss, Daniel
Year	2013
Title	Magnetic texture-induced thermal Hall effects
Journal	Physical review. B, Condensed matter and materials physics
Volume	87
Number	2
Abstract	Magnetic excitations in ferromagnetic systems with a noncollinear ground-state magnetization experience a fictitious magnetic field due to the equilibrium magnetic texture. Here, we investigate how such fictitious fields lead to thermal Hall effects in two-dimensional insulating magnets in which the magnetic texture is caused by spin-orbit interaction. Besides the well-known geometric texture contribution to the fictitious magnetic field in such systems, there exists also an equally important contribution due to the original spin-orbit term in the free energy. We consider the different possible ground states in the phase diagram of a two-dimensional ferromagnet with spin-orbit interaction: the spiral state and the skyrmion lattice, and find that thermal Hall effects can occur in certain domain walls as well as the skyrmion lattice. DOI: 10.1103/PhysRevB.87.024402
Publisher	American Institute of Physics
ISSN/ISBN	0163-1829
edoc-URL	http://edoc.unibas.ch/dok/A6348271
Full Text on edoc	No
Digital Object Identifier DOI	10.1103/PhysRevB.87.024402
ISI-Number	WOS:000312998600005
Document type (ISI)	Article

03/05/2024

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