English
Related papers

Related papers: Two-photon driven magnon-pair resonance as a signa…

200 papers

We analyze the excitation spectra of a spin-phonon coupled chain in the presence of a soliton. This is taken as a microscopic model of a Spin-Peierls material placed in a high magnetic field. We show, by using a semiclassical approximation…

Strongly Correlated Electrons · Physics 2009-10-31 Ariel Dobry , David Ibaceta

Modelling as a dipole the magnetic interaction of a binary system of neutron stars, we are able to include the magnetic effects in the Newtonian and in the inspiral dynamics of the system using an equivalent one-body description.…

General Relativity and Quantum Cosmology · Physics 2022-11-30 Mariana Lira , Juan Carlos Degollado , Claudia Moreno , Darío Núñez

Binary neutron star mergers are expected to generate intense magnetic fields that power relativistic and non-relativistic outflows and shape their multimessenger signatures. These fields likely arise from the turbulent amplification of…

High Energy Astrophysical Phenomena · Physics 2026-01-30 Eduardo M. Gutiérrez , David Radice , Jacob Fields , James M. Stone

In the field of femtomagnetism magnetic matter is controlled by ultrafast laser pulses; here we show that coupling phonon excitations of the nuclei to spin and charge leads to femto-phono-magnetism, a powerful route to control magnetic…

Materials Science · Physics 2022-03-29 S. Sharma , S. Shallcross , P. Elliott , J. K. Dewhurst

For the realization of magnon-based current-free technologies, referred to as magnonics, all-optical control of magnons is an important technique for both fundamental research and practical applications. Magnon-polariton is a coupled state…

Materials Science · Physics 2024-07-03 Ryo Kainuma , Keita Matsumoto , Toshimitsu Ito , Takuya Satoh

We propose a N\'eel magnetization switching mechanism in a hybrid magnon-phonon optical cavity system. A terahertz-pumped single-mode cavity photon couples to a spin-phonon chain, while the system dissipates energy via different baths. Our…

Strongly Correlated Electrons · Physics 2025-09-24 Mohsen Yarmohammadi , Peter M. Oppeneer , James K. Freericks

Altermagnets have recently attracted considerable interest due to their unique symmetry-governed spintronic properties. Here, we investigate phonon-induced magnon spin currents in a two-dimensional altermagnet. Starting from a microscopic…

Mesoscale and Nanoscale Physics · Physics 2026-05-20 Sofie Helene Ursin , Mathias Kläui , Kjetil M. D. Hals

Information technology demands high-speed optoelectronic devices, but going beyond the one terahertz (THz) barrier is challenging due to the difficulties associated with generating, detecting, and processing high-frequency signals. Here, we…

Mesoscale and Nanoscale Physics · Physics 2021-11-29 Ziqi Li , Bo Peng , Miao-Ling Lin , Yu-Chen Leng , Bin Zhang , Chi Pang , Ping-Heng Tan , Bartomeu Monserrat , Feng Chen

The formation of a stable magneto plasmonic dimer with THz resonances is theoretically studied for the principal directions of the system. Unlike a recent report, our work provides a complete description of the full photonic coupling for…

Optics · Physics 2023-01-04 Ricardo Martin Abraham-Ekeroth

The potential of photon-magnon hybrid systems as building blocks for quantum information science has been widely demonstrated, and it is still the focus of much research. We leverage the strengths of this unique heterogeneous physical…

Quantum Physics · Physics 2020-10-26 N. Crescini , C. Braggio , G. Carugno , R. Di Vora , A. Ortolan , G. Ruoso

We present that two spin defects (SDs) can be entangled through a magnon polariton mode, within the strong coupling regime. The magnonic modes are provided by an antiferromagnetic (AF) MnF$_{2}$ layer and their dispersion is characterized…

Quantum Physics · Physics 2022-04-07 Vasilios Karanikolas , Takashi Kuroda , Jun-ichi Inoue

Using accurate and fully general-relativistic simulations we assess the effect that magnetic fields have on the gravitational-wave emission produced during the inspiral and merger of magnetized neutron stars. In particular, we show that…

General Relativity and Quantum Cosmology · Physics 2009-10-12 Bruno Giacomazzo , Luciano Rezzolla , Luca Baiotti

When a mobile hole is moving in an anti-ferromagnet it distorts the surrounding Neel order and forms a magnetic polaron. Such interplay between hole motion and anti-ferromagnetism is believed to be at the heart of high-Tc superconductivity…

Modulational excitation of longitudinal photons (photonikos) and electron Langmuir waves, as well as ion sound waves by an incoherent strong and superstrong radiation (high-power short pulse lasers, non-thermal equilibrium cosmic field…

Plasma Physics · Physics 2010-06-04 Levan N. Tsintsadze , Hitoshi Hojo

Irradiating solids with ultrashort laser pulses is known to initiate femtosecond timescale magnetization dynamics. However, sub-femtosecond spin dynamics have not yet been observed or predicted. Here, we explore ultrafast light-driven spin…

Mesoscale and Nanoscale Physics · Physics 2023-03-28 Ofer Neufeld , Nicolas Tancogne-Dejean , Umberto De Giovannini , Hannes Hübener , Angel Rubio

Magnons offer a promising path toward energy-efficient information transmission and the development of next-generation classical and quantum computing technologies. However, methods to efficiently excite, manipulate, and detect magnons…

We study the spin excitations in the frustrated coplanar 120-degree ground state of the triangular-lattice Heisenberg antiferromagnet and demonstrate that they carry a magnetic moment perpendicular to the plane in which the spins order,…

The control of nonthermal, all-optical magnetization switching under the regime with an independent state of laser polarization opens up new opportunities for ultrafast magnetic recording. Here, we investigate the photo-magnetic…

Materials Science · Physics 2023-11-30 T. Zalewski , L. Nowak , A. Stupakiewicz

Principally, there are two forms of coupling energy when particle(photon) is moving around the micro-ring resonator, which is generated by the construction (creation) and the destruction (annihilation) energies that can disturb the centre…

Quantum Physics · Physics 2016-12-20 Wanchai Khunnam , Jalil Ali , Preecha Yupapin

We investigate the generation of magnetic fields from non-linear effects around recombination. As tight-coupling is gradually lost when approaching $z\simeq 1100$, the velocity difference between photons and baryons starts to increase,…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-01 Christian Fidler , Guido Pettinari , Cyril Pitrou