2024 Electron-magnon interaction

Electron-magnon interaction

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August undefined, 2024

Web23 hours ago · By scattering electrons, spin fluctuations in this skyrmion crystal produce an electron–electron interaction in the normal metal that creates a topological superconducting state at its boundary. ... “Topological superconductivity mediated by skyrmionic magnons,” Phys. Rev. Lett. 130, 156002 (2024). WebThe interfacial electron-magnon interaction strength can be quite large, and hence important for the thin film materials, as the recent work on superconductivity induced in a metal due to ...

Kink far below the Fermi level reveals new electron-magnon ... - N…

WebNov 20, 2024 · The advantage of such systems is that the properties of the electrons, the magnons, and the electron–magnon interaction can be engineered by selecting different materials with desired bulk and interface characteristics. In this way, the magnons and the electrons can be independently tuned. This opens a new door towards exploring ... http://www.sme.buaa.edu.cn/info/1026/4721.htm template for simple invoice

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WebOct 31, 2013 · The interfacial electron-magnon interaction strength can be quite large, and hence important for the thin film materials, as the recent work on superconductivity induced in a metal due to ... WebNov 1, 2008 · Combining the two techniques, it is possible to clarify the role of electron-phonon and electron-magnon interactions on the ultrafast magnetization dynamics. WebJun 9, 2024 · Ru vacancies and couple with the Ru magnons to give rise to a dominant electron-magnon coupling that overwhelms the electron-phonon coupling in the temperature range of 90–150 K. Keywords: non-Fermi liquid, electron-magnon interaction, itinerant ferromagnetism (Some figures may appear in colour only in the online journal) G … template for simple contract agreement

Physics - A Quantum Tango between Magnons and …

(PDF) Magnon Dispersion in Ferromagnetic Semiconductors and …

WebDec 1, 1984 · Nevertheless the electron-magnon interaction is quasielastic i.e. the energy transferred from the electron to the magnons during the scattering event is much smaller than the electron energy. If a sufficiently strong electric field is applied to the semiconductor, the electrons are heated up and the electron temperature may considerably exceed ... WebSep 13, 2024 · Here, we extend the observation of magnon drag in magnetically ordered materials to paramagnets in which the local thermal fluctuations of the magnetization (paramagnons) have a finite lifetime, τ L, and a spin-spin correlation length, ξ.We argue that when τ L ≫ τ me, the electron-on-magnon scattering time, and the spatial extent of the … trend analysis pptWebNov 13, 2024 · The curved arrow represents the SHE that generates an electronic spin current and the straight blue (red) arrow represents the electronic (magnonic) spin current contributions. The shaded blue (red) puddles represent electronic (magnonic) spin accumulation at the interface and the wavy black arrow represents the electron-magnon … trend analysis pmp

"WebSep 27, 2024 · Abstract: The interaction between distinct excitations in solids is of both fundamental interest and technological importance. One example of such interactions is … " - Electron-magnon interaction

Electron-magnon interaction

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WebJul 12, 2024 · We report energy renormalizations from electron-phonon and electron-magnon interactions in spin minority surface resonances on Ni(111). The diﬀerent interactions are disentangled and quantiﬁed in … Expand WebJan 1, 2024 · Because of magnon scattering and interaction with conduction electrons, the electron and magnon lifetime are used for analytical evaluation in the moderate …

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WebApr 4, 2024 · DOI: 10.1038/s41467-023-37505-w. An international group of researchers has created a mixed magnon state in an organic hybrid perovskite material by utilizing the Dzyaloshinskii–Moriya ... WebElectron-magnon interactions II 2193 The process corresponding to the approximate treatment of the diagrams of figure l(a) may be described as one of repeated electron-magnon scattering. In these terms figure l(a) may be redrawn as figure I(b) where the electron-magnon vertex is A = -i(27~)-~U~ d4ky2(k, k)Gf(k)G+(k) (3)

WebDec 21, 2024 · 北航集成电路学院在磁子-声子耦合领域取得重要进展. 2024年11月14日，《自然·通讯》（Nature Communications）期刊在线发表了北京航空航天大学集成电路与工程学院于海明教授课题组的最新科研进展《Long decay length of magnon-polarons in BiFeO 3 /La 0.67 Sr 0.33 MnO 3 heterostructures ... WebJun 14, 2004 · In conventional superconductor, it is the electron-phonon interaction, but in high-Tc superconductors, it can easily be electron-magnon or electron-[insert favorite bosonic excitation here]. Also take note that electron-phonon interaction doesn't always produce a band gap. There are tons of electron-phonon interactions in a normal metal - …

WebJun 1, 2013 · Combining the two techniques, it is possible to clarify the role of electron-phonon and electron-magnon interactions on the ultrafast magnetization dynamics. In particular, we show that the rapid ... WebMar 1, 2024 · Abstract. The information technology revolution demands bigger and faster magnetic storage devices. The funded research focuses on a new frontier - Laser-induced ultrafast all-optical spin switching (AOS), where a single laser pulse can switch spins from one direction to another permanently, without a magnetic field, on a time scale of 1-10 …

WebJan 30, 2024 · As a result, the electron–electron interaction is the dominant interaction at low temperatures that contributes to the FL behavior. At high-temperature region, …

Web56 To determine the strength and composition dependence of electron-magnon and electron-phonon 57 quasi-particle interactions, we analyze our ultrafast magnetization dynamics data with a three-58 temperature-model (3TM)2,16. Our results reveal a strong compositional dependence of the 59 electron-phonon energy transfer coefficient, 𝑔 𝑝 template for small booklet template for small boxWebOct 12, 2016 · In this paper, we consider a model of the heterostructure in which a three-dimensional magnon gas is coupled with a two-dimensional massless Dirac electron system at the interface. We calculate the torque induced by an electric field, which can be interpreted as a magnon spin current, upto the lowest order of the electron-magnon … template for small boxesWebJul 15, 2024 · (a) Electron (gray) and magnon (orange) Brillouin zones with labeling of high symmetry points. We refer to the magnon Brillouin zone as the reduced Brillouin … trend analysis problem managementWebThe self-energy of an electron in a ferromagnetic transition metal due to the virtual emission and absorption of magnons has been calculated. It was found that the mass correction … trend analysis procedureWebDec 13, 2024 · We present an ab initio method for eletcronic structure calculations, which accounts for the interaction of electrons and magnons in ferromagnets. While it is based on a many body perturbation theory we approximate numerically complex quantities with quantities from time dependent density functional theory. This results in a simple and … trend analysis problemsWebFor pt. I, see ibid., vol.3, no.12, 2174 (1973). The strongly ferromagnetic limit of the theory developed in the preceding paper is examined in detail. The self energy expression obtained there from a Ward identity has a simple alternative diagrammatic derivation in terms of electron-magnon scattering processes. General features of the resultant single particle … trend analysis public health