spin wave


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Related to spin wave: Magnon

spin wave

n. Physics
A wave propagated through a crystal lattice as a result of shifts in atomic magnetic fields associated with the spin angular momentum of electrons in the lattice.
References in periodicals archive ?
Typically, this technology utilizes the ultrafast laser to excite the spin wave in the magnetic nanostructures and accordingly switch its magnetization state [2, 3].
Spin wave devices are advantageous over their optical counterparts because they are more scalable due to their wavelengths being shorter than light.
Apart from the contribution of the lattice and the electron to the specific heat, the hyperfine structure and spin wave should be considered generally.
For various applications, exploration of a variety of new phenomena is required, and this ranges from slower processes such as domain wall and magnetic vortex dynamics to faster processes such as spin wave propagation and localization, ultrafast demagnetization, and relaxation.
However, even if we would assume, as is conventional, that ("clothed") partons within the proton are defined, the proton wave function, [PSI], could not be factorized into separate valence quark spin wave functions (|[[chi].sub.1] >, |[[chi].sub.2]>, |[[chi].sub.1]>) as this would not result in an eigenstate of the strongly spin-dependent Hamiltonian, entering the energy eigenvalue equation
He and his contributors describe ferrous magnets, spin waves that play an important role in very small magnetic systems, magnetic sensors, magnetic nano-contacts, quantized models in lateral confinement, Brillouin light scattering studies of spin dynamics (in patterned nano-elements from a single layer to multilayered structures), non-uniform magnetization dynamics in ultra-small ferromagnetic planar elements, mode structures of ferromagnetic squares, spin waves in the inhomogeneous internal field of nano-structured rings, and localized spin wave modes excited by polarized current.
We have developed approximate expressions for the neutron spin wave function and the projection of the spin on the field as the neutron moves in space where the field direction and magnitude changes.
A well known example of the Nambu-Goldstone mode is the spin wave or magnon in a ferromagnet.
(4) The sigma model part essentially represents spin wave modes, whereas the topological part implies the breaking up of the configurations into distinct topological sectors.