[HTML][HTML] Magnetic excitations beyond the single-and double-magnons

H Elnaggar, A Nag, MW Haverkort… - Nature …, 2023 - nature.com
A photon carrying one unit of angular momentum can change the spin angular momentum of
a magnetic system with one unit (ΔMs=±1) at most. This implies that a two-photon scattering …

Numerical simulation of split ring resonator near-fields and antiferromagnetic magnon hybridization

DM Heligman, AM Potts, RV Aguilar - Optical Materials Express, 2024 - opg.optica.org
We report on the results of finite difference time domain (FDTD) simulations of the terahertz
response of a split ring resonator (SRR) metamaterial coupled to a hypothetical …

Ultrafast dynamics of domain walls in antiferromagnets and ferrimagnets with temperatures of compensation of the magnetic moment and angular momentum (brief …

ZV Gareeva, XM Chen - JETP Letters, 2021 - Springer
The dynamics of magnetization is significantly determined by domain walls, which are
currently considered as active elements of promising spintronic devices with ultrafast …

[HTML][HTML] Microwave Field-Induced Changes in Raman Modes and Magnetic Force Images of Antiferromagnetic NiO Films

D Caso, A Serrano, M Jaafar, P Prieto, A Kamra… - Condensed …, 2024 - mdpi.com
Effective control of domain walls or magnetic textures in antiferromagnets promises to
enable robust, fast, and nonvolatile memories. The lack of net magnetic moment in …

THz and sub-THz antiferromagnetic magnons via magnetoacoustic resonances excited by picosecond strain pulses in NiO

AV Azovtsev, NA Pertsev - Physical Review Materials, 2024 - APS
Antiferromagnets can host ultrafast spin dynamics in the terahertz (THz) frequency range,
but an energy-efficient generation of THz magnons necessary for high-speed information …

Detection of terahertz electromagnetic waves using conducting antiferromagnets

AR Safin, EE Kozlova, DV Kalyabin, SA Nikitov - Technical Physics Letters, 2021 - Springer
A model of a terahertz electromagnetic wave detector based on a conducting
antiferromagnet and a heavy metal has been investigated. The mechanism of resonant …

Triplons, triplon pairs and dynamical symmetries in laser-driven Shastry-Sutherland magnets

M Udono, M Sato - arXiv preprint arXiv:2407.03691, 2024 - arxiv.org
In frustrated magnets, a variety of novel phenomena arise due to their peculiar magnetic
states, whose excitations usually reside in the GHz to THz range. Intense THz lasers …

Numerical simulation of the coupling between split-ring resonators and antiferromagnetic magnons

DM Heligman, RV Aguilar - arXiv preprint arXiv:2109.05086, 2021 - arxiv.org
We report on the results of simulations of the terahertz response of a split ring resonator
(SRR) metamaterial coupled to a hypothetical antiferromagnetic material characterized by a …

Novel magnetic excitations beyond the single-and double-magnons

H Elnaggar, A Nag, MW Haverkort, K Zhou… - arXiv preprint arXiv …, 2022 - arxiv.org
Conventional wisdom suggests that one photon that carries one unit of angular momentum
can change the spin angular momentum of a magnetic system with one unit (delta Ms=+-1) …

Detection of subterahertz oscillations using an antiferromagnet/heavy-metal heterostructure

EE Kozlova, AR Safin - Technical Physics Letters, 2022 - Springer
A model of a detector of subterahertz electromagnetic waves based on an array of
heterostructures containing an antiferromagnet and a heavy metal has been studied. It is …