Electron-magnon interaction

Author: ojjl

August undefined, 2024

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 … WebJan 31, 2024 · The conduction electron and magnon interactions are essential for the understanding and development of spintronics and superconductivity.

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

WebApr 10, 2024 · We present an ab initio method for electronic 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 … http://www.sme.buaa.edu.cn/info/1026/4721.htm boys high school shoes

Dynamics of electron-magnon interaction and ultrafast

WebFinite temperature magnetization behavior of an itinerant ferromagnet is investigated in terms of electron-magnon interaction induced thermal evolution of electronic spectral weight transfer across the Fermi level. This mechanism distinguises our WebFor 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 … WebThe 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 … boys high schools in centurion

(PDF) Signatures of electron-magnon interaction in charge and …

Spin insulatronics - ScienceDirect

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 … 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 ... gwyneth paltrow insistWebJun 15, 2024 · The source of it is expected to be magnon-electron interactions. Namely, we assume that the external voltage is applied to the “active” layer stimulating electric current through this layer. In its turn, the scattering of the current-carrying electrons by magnons leads to a magnon drag current within this layer. The 3-magnons interactions ... boys high school long jump record

"WebApr 7, 2024 · Their scheme causes photons in a microwave cavity to interact with electron spins in a magnetic material. In the presence of a magnetic field, these spins and photons together create hybrid excitations called magnon polaritons, which in turn generate coherent microwaves. The technique produces this coherent radiation using a concept different ... " - Electron-magnon interaction

Electron-magnon interaction

Strong band renormalization and emergent ferromagnetism …

WebDec 26, 2024 · We study double ionization of Mg by electron impact through the vantage point of classical mechanics. We consider all electron-electron correlations in a … 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 ...

Did you know?

WebMar 9, 2024 · Magnons, on the other hand, are quasiparticles which arise from changes in the electron spin directions, impacting the magnetic properties of the material (and hence the magnet-like prefix to the word). ... For one, given the right frequency the interactions of phonons and magnons would allow a phonon-to-magnon conversion as its wavelengths ... 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 ...

Webfrom the magnon peaks in Case B in agreement with the RIXS experiment. Since the bound states of excitons are composed mainly of the jeﬀ = 1/2 states of electron and jeﬀ = 3/2 states of hole, the larger value of ζSO in Case B may lead to the larger separation between the exciton and magnon peaks. In the localized electron picture, the 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

WebDec 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 … 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

WebJul 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 …

WebDec 1, 1984 · In this case electrons interact mainly with magnons with energy htwq of the order of kT *. Nevertheless the electron-magnon interaction is quasielastic i.e. the … gwyneth paltrow insisted ski collision wasn’tWebNov 26, 2024 · Electron Affinity. In chemistry and atomic physics, the electron affinity of an atom or molecule is defined as: the change in energy (in kJ/mole) of a neutral atom or … gwyneth paltrow goop netflix posterWebJan 1, 2024 · Because of magnon scattering and interaction with conduction electrons, the electron and magnon lifetime are used for analytical evaluation in the moderate … gwyneth paltrow insistedWebThe electronic specific heat in magnetic semiconductors is small owing to the small number of conduction electrons, and the correction to this specific heat arising from the electron … gwyneth paltrow insisWebNov 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. boys high schools in south africaWebNov 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 … gwyneth paltrow insisted ski collision gwyneth paltrow insisted sk