Magnon thermal hall effect
Web14 mrt. 2024 · We demonstrate theoretically that the thermal Hall effect of magnons in collinear antiferromagnetic insulators is an indicator of magnetic and topological … Web15 okt. 2024 · We propose a new mechanism for the thermal Hall effect in exchange spin-wave systems, which is induced by the magnon-phonon interaction. Using …
Magnon thermal hall effect
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Web18 mrt. 2024 · It is shown that the thermal Hall conductivity is controlled by the resonant contribution from the anticrossing points between the magnon and phonon branches, and its size is estimated to be comparable to that of theMagnon-mediated thermal Hall effect. We propose a new mechanism for the thermal Hall effect in exchange spin-wave … Web19 jan. 2024 · The thermal magnon Hall effect induced by the DM interac-tion was first observed experimentally in a number of three-dimensional (3D) ferromagnetic …
Web24 mei 2024 · Magnon mediated thermal Hall effects Thermal Hall effect is the transverse response of neutral carries, in our case magnons, to a temperature gradient applied to magnetic insulators [ 5, 6, 23, 25 ]. A schematic of a generic transverse thermal response is shown in figure 1 (e). Suppose a temperature gradient ∇ T is applied to a sample. Web15 jan. 2024 · We demonstrate theoretically that the thermal Hall effect of magnons in collinear antiferromagnetic insulators is an indicator of magnetic and topological phase …
Web14 mrt. 2016 · Quite recently, magnon Hall effect of spin excitations has been observed experimentally on the kagome and pyrochlore lattices. Thermal Hall conductivity , … WebArguments against magnons include: 1) a magnon Hall effect is ruled out for a collinear AFM order ; 2) topological magnons are at very high energy and thus irrelevant to the …
Web8 nov. 2024 · Thermal Hall effect by magnetic skyrmions. Top, middle, and bottom panels show the field dependence of the magnetization (M), field-induced deviation of the …
Web16 jul. 2010 · The Hall effect usually occurs in conductors when the Lorentz force acts on a charge current in the presence of a perpendicular magnetic field. Neutral quasi-particles … melbourne to broken hill road tripWeb1 sep. 2024 · We demonstrate theoretically that the thermal Hall effect of magnons in collinear antiferromagnetic insulators is an indicator of magnetic and topological phase … naresh patel md oxnardWeb8 nov. 2024 · We find a distinct thermal Hall signal in the magnetic skyrmion phase of an insulating polar magnet GaV4Se8, identified as the topological thermal Hall effect of … melbourne to brisbane flights webjetWeb30 jul. 2024 · In sharp contrast, such a sign change for θ = ±60° is absent well inside the AFM phase, hence the mechanism behind the thermal Hall effect in the spin-liquid state is different from that in the AFM phase. The finite κ xy in the AFM phase might be attributed to a magnon thermal Hall effect [arising from the Berry curvature of magnon bands ]. melbourne to brisbane railWeb8 apr. 2024 · Thermal Hall Effect, Spin Nernst Effect, and Spin Density Induced by a Thermal Gradient in Collinear Ferrimagnets from Magnon-Phonon Interaction. We … melbourne to bunbury flightWeb10 mrt. 2024 · At sufficiently low temperatures, magnetic materials often enter correlated phases hosting collective, coherent magnetic excitations such as magnons or triplons. Drawing on the enormous progress on... naresh patel ministerWeb10 apr. 2024 · PDF Two-dimensional (2D) Heisenberg honeycomb ferromagnets are expected to have interesting topological magnon effects as their magnon dispersion can... Find, read and cite all the research ... naresh patel business