Results 11 to 20 of about 32,608 (295)
Time Refraction of Spin Waves [PDF]
Physical Review Letters, 2021 We present an experimental study of time refraction of spin waves propagating in microscopic waveguides under the influence of time-varying magnetic fields. Using space- and time-resolved Brillouin light scattering microscopy, we demonstrate that the broken translational symmetry along the time coordinate can be used to in- or decrease the energy of ...
K. Schultheiss +11 more
openaire +4 more sources
Spin waves and orbital contribution to ferromagnetism in a topological metal. [PDF]
Nat CommunSpecial arrangements of atoms with more than one atom per unit cell, including honeycomb or kagome (woven bamboo mat) lattices, can host propagating excitations with non-trivial topology as defined by their evolution along closed paths in momentum space.
Zhang W +13 more
europepmc +2 more sources
Chiral Magnonics: Reprogrammable Nanoscale Spin Wave Networks Based on Chiral Domain Walls
iScience, 2020 Summary: Spin waves offer promising perspectives as information carriers for future computational architectures beyond conventional complementary metal-oxide-semiconductor (CMOS) technology, owing to their benefits for device minimizations and low-ohmic ...
Jilei Chen, Junfeng Hu, Haiming Yu
doaj +1 more source
Ultra-slow spin waves propagation based on skyrmion breathing
New Journal of Physics, 2023 Spin wave has attracted significant attention in various fields because of its rich physics and potential applications in the development of spintronics devices in the post-Moore era.
Zeng-Xing Liu, Hao Xiong
doaj +1 more source
Spin-Wave Wave Function for Quantum Spin Models [PDF]
Progress of Theoretical Physics, 1997 We present a new approach to determine an accurate variational wave function for general quantum spin models, completely defined by a consistency requirement with the simple and well known linear spin·wave expansion. With this wave function, it is also possible to obtain the correct behavior of the long distance correlation functions for the 1D S=1/2 ...
Franjic F, Sorella, Sandro
openaire +2 more sources
Spin Waves in Quasiequilibrium Spin Systems [PDF]
Physical Review Letters, 2006 Using the Landau Fermi liquid theory we have discovered a new regime for the propagation of spin waves in a quasi-equilibrium spin systems. We have determined the dispersion relation for the transverse spin waves and found that one of the modes is gapless.
Bedell, Kevin S., Dahal, Hari P.
openaire +3 more sources
Dynamical and topological properties of the spin angular momenta in general electromagnetic fields
Communications Physics, 2023 Spin angular momenta play important roles in light–matter interactions, leading to the emergence of the spin Hall effect and topological quasiparticles in modern optics.
Peng Shi +5 more
doaj +1 more source
Spin waves in spin hydrodynamics
Physical Review D, 2022 11 pages; 3 captioned figures; published ...
Victor E. Ambruş +2 more
openaire +2 more sources
Spin waves in random spin chains [PDF]
Journal of Applied Physics, 2003 We study quantum spin-1/2 Heisenberg ferromagnetic chains with dilute random antiferromagnetic impurity bonds with the modified spin-wave theory. By describing thermal excitations in the language of spin waves, we observe a low-temperature Curie susceptibility due to the formation of large spin clusters first predicted by the real-space renormalization-
Wan, Xin +3 more
openaire +2 more sources
Entropy, 2023 We demonstrate that an evanescent wave spin exists outside a finite quantum well by solving the Dirac equation in a finite cylindrical quantum well. The analytical analysis validates the wavefunction inside an infinite quantum well but recovers a non-zero evanescent wave outside the well.
Ju Gao, Fang Shen
openaire +4 more sources