2024 Magnon thermal hall effect

Magnon thermal hall effect

Author: wago

August undefined, 2024

Web15 apr. 2024 · Experimentally, the thermal Hall effect of magnons has been observed experimentally only in ferromagnetic insulators without inversion symmetry. From a general way, the thermal Hall effect of magnons is manifested due to nontrivial topology of magnon band structures induced by the Dzyaloshinskii–Moriya interaction. … Web15 mei 2024 · Giant coupling between magnetism and phonons — or the giant thermal Hall effect — is reported in the insulating polar magnet (ZnxFe1−x)2Mo3O8. Multiferroics1,2, …

Figure 1 from Magnons, Phonons, and Thermal Hall Effect in …

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 … Webanisotropy spin models without spin-orbit interaction excludes a magnon thermal Hall effect. DOI: 10.1103/PhysRevB.103.155430 I. INTRODUCTION Two-dimensional van … size area rugs for rooms

Giant thermal Hall effect in multiferroics Nature Materials

Web10 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... 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 symmetry … Web17 aug. 2024 · Consequently, topological magnon bands and the associated thermal Hall effect in insulating quantum ferromagnets have garnered considerable attention. The … suspicion syn

Robustness of the thermal Hall effect close to half

Thermal Hall Effect of Magnons in Collinear Antiferromagnetic ...

Web14 mrt. 2024 · Indeed, we show that the topological (anomalous) thermal Hall effect in this system arises from nonvanishing Berry curvature due to Weyl magnon nodes at the lowest excitation, and it depends on their distribution (distance) in momentum space. The present result paves the way to directly probe low excitation Weyl magnons and macroscopically ... Web31 jan. 2014 · We review recent developments in theories and experiments on the magnon Hall effect. We derive the thermal Hall conductivity of magnons in terms of the Berry … suspicion trust and automationWeb1 Sizable suppression of magnon Hall effect by magnon damping in Cr2Ge2Te6 Ysun Choi1,2,*, Heejun Yang1,2,*, Jaena Park1,2, and Je-Geun Park1,2,$ 1Center for … suspicion\u0027s 0w

"Web1 Sizable suppression of magnon Hall effect by magnon damping in Cr2Ge2Te6 Ysun Choi1,2,*, Heejun Yang1,2,*, Jaena Park1,2, and Je-Geun Park1,2,$ 1Center for Quantum Materials, Seoul National University, Seoul 08826, Republic of Korea 2Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea * … " - Magnon thermal hall effect

Magnon thermal hall effect

Topological thermal Hall effect due to Weyl magnons

Web27 jan. 2024 · Magnon-Polaron Driven Thermal Hall Effect in a Heisenberg-Kitaev Antiferromagnet. The thermal Hall effect, defined as a heat current response … Web8 apr. 2024 · Thermal Hall Effect, Spin Nernst Effect, and Spin Density Induced by a Thermal Gradient in Collinear Ferrimagnets from Magnon-Phonon Interaction. We …

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Web18 mrt. 2024 · We demonstrate theoretically that the thermal Hall effect of magnons in collinear antiferromagnetic insulators is an indicator of magnetic and topological phase … Web16 jul. 2010 · A theory of the thermal Hall effect in insulating quantum magnets, where the heat current is totally carried by charge-neutral objects such as magnons and spinons, …

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 … Web11 apr. 2024 · Yet, it is unknown how the topological properties are affected by magnon damping. We report the thermal Hall effect in Cr Ge Te, an insulating 2D honeycomb …

Web14 mrt. 2024 · Indeed, we show that the topological (anomalous) thermal Hall effect in this system arises from nonvanishing Berry curvature due to Weyl magnon nodes at the … Web14 mrt. 2024 · We demonstrate theoretically that the thermal Hall effect of magnons in collinear antiferromagnetic insulators is an indicator of magnetic and topological …

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.

WebWe derive the thermal Hall conductivity of magnons in terms of the Berry curvature of magnonic bands. In addition to the Dzyaloshinskii–Moriya interaction, we show that the … suspicions philip noyceWeb30 nov. 2024 · We theoretically investigate the injection and detection of this thermally driven spin polarization in an adjacent heavy metal with a strong spin Hall effect. We … sizearrayWeb26 sep. 2024 · Hence, the emergent thermal Hall effect can be turned. It is experimentally feasible to investigate the proposed phenomena in magnetic insulators using ultrafast … suspicion\u0027s 5wWeb14 apr. 2014 · We present theoretically the thermal Hall effect of magnons in a ferromagnetic lattice with a Kekule-O coupling (KOC) modulation and a Dzyaloshinskii-Moriya interaction (DMI). Through a strain-based… Expand 4 PDF Magnon Hall effect on the Lieb lattice Xiaodong Cao, Kai Chen, Dahai He Physics Journal of physics. suspicion toyWeb28 mrt. 2024 · Subsequently, the thermal magnon Hall effect was realized in a kagomé ferromagnet Cu(1–3, bdc) followed by the first experimental realization of topological magnon bands in the same material. On the other hand, no topologcal magnon bands have been observed in pyrochlore ferromagnets, but recent studies have proposed Weyl … suspicion\u0027s 3wWeb8 dec. 2016 · Thermal Hall Effect of Magnons Journal of the Physical Society of Japan. We review recent developments in theories and experiments on the magnon Hall effect. We … size and weight limit for post officeWebWe report the thermal Hall effect in Cr 2 Ge 2 Te 6, an insulating 2D honeycomb ferromagnet with a large Dirac magnon gap and significant magnon damping. Interestingly, the thermal Hall conductivity in Cr 2 Ge 2 Te 6 shows the coexisting phonon and magnon contributions. Using an empirical two-component model, we successfully estimate the … size array in c