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Topologically nontrivial magnetic textures such as skyrmions offer promising opportunities for spintronic applications. In recent years, it has been shown that the magnetic properties of layered materials can be affected by depositing…

We argue that the correct definition of the electric current in the chiral kinetic theory for Weyl materials should include the Chern-Simons contribution that makes the theory consistent with the local conservation of the electric charge in…

Strongly Correlated Electrons · Physics 2017-03-28 E. V. Gorbar , V. A. Miransky , I. A. Shovkovy , P. O. Sukhachov

Magnetic skyrmions are topologically wound nanoscale textures of spins whose ambient stability and electrical manipulation in multilayer films have led to an explosion of research activities. While past efforts focused predominantly on…

We propose a possible new mechanism for a strong and stable magnetic field of compact stars due to an instability in the presence of a chirality imbalance of electrons---the chiral plasma instability. A large chirality imbalance of…

High Energy Astrophysical Phenomena · Physics 2014-02-24 Akira Ohnishi , Naoki Yamamoto

Chiral solitons are one dimensional localized magnetic structures that are metastable in some ferromagnetic systems with Dzyaloshinskii-Moriya interactions and/or uniaxial magnetic anisotropy. Though topological textures in general provide…

Strongly Correlated Electrons · Physics 2020-07-22 Victor Laliena , Sebastian Bustingorry , Javier Campo

Chirality-induced spin selectivity (CISS) generates spin-polarized currents in nonmagnetic materials from structural chirality alone, yet its microscopic origin remains debated. Using a first-principles spatiotemporal density-matrix…

In this thesis, we study the collective modes induced by the chirality of elementary particles in magnetized media and their implications for neutron star phenomenology. We theoretically predict that the chiral magnetic wave can arise in…

High Energy Physics - Phenomenology · Physics 2026-05-01 Sota Hanai

Stars and gaseous planets are magnetised objects but the influence of magnetic fields on their tidal responses and dissipation rates has not been well explored. We present the first exploratory nonlinear magnetohydrodynamic (MHD)…

Solar and Stellar Astrophysics · Physics 2024-11-26 Aurélie Astoul , Adrian J. Barker

Chiral anomalous effects in relativistic plasmas are reviewed. The essence of chiral separation and chiral magnetic effects is explained in simple terms. Qualitative differences between the two phenomena, both of which are triggered by…

Nuclear Theory · Physics 2022-11-23 Igor A. Shovkovy

We consider the magnetic field induced by the steady or the quasi-steady electric currents that flow along the straight wires, which are equidistantly arranged on the hyperboloid. The spatial distribution of the magnetic field and the force…

Physics Education · Physics 2026-04-01 Roman Krcmar , Andrej Gendiar , Tomotoshi Nishino

We numerically investigate the generation of a magnetic field in a protostellar disc via an $\alpha \Omega$-dynamo and the resulting magnetohydrodynamic (MHD) driven outflows. We find that for small values of the dimensionless dynamo…

High Energy Astrophysical Phenomena · Physics 2018-03-05 Sergei Dyda , Richard V. E. Lovelace , Galina V. Ustyugova , Alexander V. Koldoba , Ira Wasserman

The efficient excitation of spin waves is a key challenge in the realization of magnonic devices. We demonstrate the current-driven generation of spin waves in antiferromagnetically coupled magnetic vortices. We employ time-resolved…

Mesoscale and Nanoscale Physics · Physics 2024-02-27 Sabri Koraltan , Katrin Schultheiss , Florian Bruckner , Markus Weigand , Claas Abert , Dieter Suess , Sebastian Wintz

We present an approach enabling generation of narrow spin wave beams in thin homogeneous ferromagnetic films. The main idea is to match the wave vector of the spin wave with that corresponding to the spectral maximum of the exciting…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 P. Gruszecki , A. E. Serebryannikov , W. Śmigaj , M. Krawczyk

The reflectivity of a highly localized magnetic inhomogeneity is experimentally studied. The inhomogeneity is created by a dc-current carrying wire placed on the surface of a ferrite film. The reflection of propagating dipole-dominated…

Other Condensed Matter · Physics 2009-01-28 T. Neumann , A. A. Serga , B. Hillebrands , M. P. Kostylev

In chiral magnets with intrinsic inversion symmetry breaking, it has been known that two spin waves moving in opposite directions can propagate at different velocities, exhibiting a phenomenon called magnetochiral nonreciprocity which…

Mesoscale and Nanoscale Physics · Physics 2021-10-08 Gyungchoon Go , Seunghun Lee , Se Kwon Kim

Converting magnetization spin to orbital current often relies on strong spin-orbit interaction that may cause additional angular momentum dissipation. We report that coherent magnetization dynamics in magnetic nanostructures can…

Mesoscale and Nanoscale Physics · Physics 2025-10-20 Chengyuan Cai , Hanchen Wang , Tao Yu

Three high-mass X-ray binaries have been discovered recently exhibiting enormous spinup rates. Conventional accretion theory predicts extremely high surface dipolar magnetic fields that we believe are unphysical. Instead, we propose quite…

High Energy Astrophysical Phenomena · Physics 2018-06-06 D. M. Christodoulou , S. G. T. Laycock , D. Kazanas

Chiral pumping from optical electric fields oscillating at THz frequencies is observed in the Weyl material TaAs with electric and magnetic fields aligned along both the a- and c-axes. Free carrier spectral weight enhancement is measured…

Mesoscale and Nanoscale Physics · Physics 2020-03-11 Antonio L. Levy , Andrei B. Sushkov , Fengguang Liu , Bing Shen , Ni Ni , Howard D. Drew , Gregory S. Jenkins

The inertial effects of magnetic solitons play a crucial role in their dynamics and stability. Yet governing their inertial effects is a challenge for their use in real devices. Here, we show how to control the inertial effects of magnetic…

Mesoscale and Nanoscale Physics · Physics 2020-02-05 M. Mohseni , D. R. Rodrigues , M. Saghafi , S. Chung , M. Ahlberg , H. F. Yazdi , Q. Wang , S. A. H. Banouazizi , P. Pirro , J. Åkerman , M. Mohseni

Magnons in antiferromagnets exhibit two chiral modes, providing an intrinsic degree of freedom for magnon-based computing architectures and spintronic devices. Electrical control of chiral splitting is crucial for applications, but remains…

Materials Science · Physics 2026-01-22 Yu Xie , Dinghui Wang , Chao Li , Xiaofan Shen , Junting Zhang