Electron-magnon interaction

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August undefined, 2024

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 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 ...

(Color online) Magnon density of states, within the active region …

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 … WebNov 22, 2024 · ] in the site basis for the system depicted in Fig. 1 composed of N = 3 sites hosting spin-5 2 localized spins and with electron-magnon interaction turned off (J sd = 0). (c) and (d) are their counterparts when the electron-magnon interaction is … caffeine expectancy

Phys. Rev. B 104, 184425 (2024) - Physical Review B

WebNov 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 … http://www.sme.buaa.edu.cn/info/1026/4721.htm 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 … cms golf city lucknow

Electron-magnon interaction in magnetic semiconductors

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WebNov 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 … WebOct 26, 2024 · But if the mutual interaction is sufficiently strong, magnons and phonons can partake in a more intimate dance with one another, with a back-and-forth energy transfer between them. This “tango” results in the … caffeine exact massWebJan 31, 2024 · The conduction electron and magnon interactions are essential for the understanding and development of spintronics and superconductivity. caffeine expireafter

"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 … " - Electron-magnon interaction

Electron-magnon interaction

Nonlocal correlation effects due to virtual spin-flip processes in ...

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, … 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 …

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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 … 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 …

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 ... 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 ...

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. 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 ...

WebNov 2, 2024 · Strong electron–magnon interactions in Ba 1−x K x Mn 2 As 2 The α band shows a kink around the binding energy E B = 50 meV, as shown by the photoemission image and MDCs [Fig. 2 a–c, and ... caffeine expireafter expiryWebOct 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 ... cms good faith estimate fqhcWebJun 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 - … caffeine eye cream amazonWebFeb 11, 2024 · The electron–electron contribution to the self energy has been subtracted from the self-energies shown in Fig. 2b to aid the comparison of the electron–boson … caffeine excess symptomsWebJul 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 … cmsg operationsWeb56 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 caffeine expirevariablyWeb23 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). caffeine extract inci