Inertial spin waves in ferromagnets and antiferromagnets
arXiv:2208.00131 · doi:10.1103/PhysRevB.106.134422
Abstract
Inertial effects in spin dynamics are theoretically predicted to emerge at ultrashort time scales, but their experimental signatures are often ambiguous. Here, we calculate the spin-wave spectrum in ferromagnets and two-sublattice antiferromagnets in the presence of inertial effects. It is shown how precession and nutation spin waves hybridize with each other, leading to the renormalization of the frequencies, the group velocities, the effective gyromagnetic ratios and the effective damping parameters. Possible ways of distinguishing between the signatures of inertial dynamics and similar effects explainable within conventional models are discussed.
14 pages, 9 figures
References in corpus (5)
- Topological Magnon Insulator in Insulating Ferromagnet
- Spin-wave logic devices based on isotropic forward volume magneto-static waves
- Spin Orbit Coupling and Spin Waves in Ultrathin Ferromagnets: The Spin Wave Rashba Effect
- Nutation in antiferromagnetic resonance
- Anatomy of inertial magnons in ferromagnets
Cited by in corpus (13)
- Inertial effects in ultrafast spin dynamics
- Controllable magnon frequency comb in synthetic ferrimagnets
- Magnetic nutation: transient separation of magnetization from its angular momentum
- Fate of entanglement in magnetism under Lindbladian or non-Markovian dynamics and conditions for their transition to Landau-Lifshitz-Gilbert classical dynamics
- Bath-induced spin inertia
- Inertial spin waves in spin spirals
- Micromagnetic study of inertial spin waves in ferromagnetic nanodots
- Theory of tensorial magnetic inertia in terahertz spin dynamics
- Dynamically generated spin-interactions and nutational spin inertia in normal metal-ferromagnet heterostructures
- Nonreciprocal inertial spin-wave dynamics in twisted magnetic nanostrips
- Engineering spin-wave spectrum via the magnetization inertia tensor
- Unquenched orbital angular momentum as the origin of spin inertia
- Optically induced magnetic inertia and magnons from non-Markovian extension of the Landau-Lifshitz-Gilbert equation