Gilbert damping in metallic ferromagnets from Schwinger-Keldysh field theory: Intrinsically nonlocal, nonuniform, and made anisotropic by spin-orbit coupling
F Reyes-Osorio, BK Nikolić - Physical Review B, 2024 - APS
Understanding the origin of damping mechanisms in the magnetization dynamics of metallic
ferromagnets is a fundamental problem for nonequilibrium many-body physics of systems in …
ferromagnets is a fundamental problem for nonequilibrium many-body physics of systems in …
Giant spin Nernst effect in a two-dimensional antiferromagnet due to magnetoelastic coupling induced gaps and interband transitions between magnonlike bands
We analyze theoretically the origin of the spin Nernst and thermal Hall effects in FePS 3 as a
realization of a two-dimensional antiferromagnet (2D AFM). We find that a strong …
realization of a two-dimensional antiferromagnet (2D AFM). We find that a strong …
Quantum many-body states and Green's functions of nonequilibrium electron-magnon systems: Localized spin operators versus their mapping to Holstein-Primakoff …
It is well-known that operators of localized spins within a magnetic material satisfy neither
fermionic nor bosonic commutation relations. Thus, to construct diagrammatic many-body …
fermionic nor bosonic commutation relations. Thus, to construct diagrammatic many-body …
High-harmonic generation in spin and charge current pumping at ferromagnetic or antiferromagnetic resonance in the presence of spin–orbit coupling
J Varela-Manjarres, BK Nikolić - Journal of Physics: Materials, 2023 - iopscience.iop.org
One of the cornerstone effects in spintronics is spin pumping by dynamical magnetization
that is steadily precessing (around, for example, the z-axis) with frequency ω 0 due to …
that is steadily precessing (around, for example, the z-axis) with frequency ω 0 due to …
Driving spin chirality by electron dynamics in laser-excited antiferromagnets
Despite recent successes in the area of ultrafast manipulation of magnetic order, optical
generation and manipulation of complex spin textures is hindered by an insufficient …
generation and manipulation of complex spin textures is hindered by an insufficient …
Elastodynamically induced spin and charge pumping in bulk heavy metals
F Mahfouzi, N Kioussis - Physical Review Letters, 2022 - APS
Analogous to the spin-Hall effect (SHE), ab initio electronic structure calculations reveal that
acoustic phonons can induce charge (spin) current flowing along (normal to) its propagation …
acoustic phonons can induce charge (spin) current flowing along (normal to) its propagation …
Magnon-versus electron-mediated spin-transfer torque exerted by spin current across an antiferromagnetic insulator to switch the magnetization of an adjacent …
The recent experiment [Y. Wang et al., Science 366, 1125 (2019)] on magnon-mediated spin-
transfer torque (MSTT) was interpreted in terms of a picture where magnons are excited …
transfer torque (MSTT) was interpreted in terms of a picture where magnons are excited …
Nonlocal damping of spin waves in a magnetic insulator induced by normal, heavy, or altermagnetic metallic overlayer: a Schwinger-Keldysh field theory approach
F Reyes-Osorio, BK Nikolic - arXiv preprint arXiv:2312.09140, 2023 - arxiv.org
Understanding spin wave (SW) damping, and how to control it to the point of being able to
amplify SW-mediated signals, is one of the key requirements to bring the envisaged …
amplify SW-mediated signals, is one of the key requirements to bring the envisaged …
Spin pumping from antiferromagnetic insulator spin-orbit-proximitized by adjacent heavy metal: a first-principles Floquet-nonequilibrium Green function study
Motivated by the recent experiment (Vaidya et al 2020 Science 368 160) on spin pumping
from sub-THz radiation-driven uniaxial antiferromagnetic insulator (AFI) MnF 2 into heavy …
from sub-THz radiation-driven uniaxial antiferromagnetic insulator (AFI) MnF 2 into heavy …
Annihilation of topological solitons in magnetism with spin-wave burst finale: Role of nonequilibrium electrons causing nonlocal damping and spin pumping over …
We not only reproduce a burst of short-wavelength spin waves (SWs) observed in a recent
experiment [S. Woo et al., Nat. Phys. 13, 448 (2017) 1745-2473 10.1038/nphys4022] on …
experiment [S. Woo et al., Nat. Phys. 13, 448 (2017) 1745-2473 10.1038/nphys4022] on …