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Enhancing magneto-optical effects is crucial for size reduction of key photonic devices based on non-reciprocal propagation of light and to enable active nanophotonics. We disclose a so far unexplored approach that exploits dark plasmons to…

We study magnon-magnon interactions and their effects in a spiral magnet induced by combination of an antiferromagnetic Heisenberg interaction and a Dzyaloshinsky-Moriya interaction. We show that the main effect of magnon-magnon…

Mesoscale and Nanoscale Physics · Physics 2020-02-14 Naoya Arakawa

Spintronics is the science and technology of electric control over spin currents in solid-state-based devices. Recent advances have demonstrated a coupling between electronic spin currents in non-magnetic metals and magnons in magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-05-07 R. A. Duine , Arne Brataas , Scott A. Bender , Yaroslav Tserkovnyak

We report on the electrical detection of a hybrid magnon-photon system, which is comprised of a magnetic sample coupled to a planar cavity. While the uniform Kittel mode has the largest coupling strength among all the magnon modes, it only…

Mesoscale and Nanoscale Physics · Physics 2020-08-05 Peng-Chao Xu , J. W. Rao , Y. Wang , Y. S. Gui , John Q. Xiao , Xiaofeng Jin , C. -M. Hu

Resonant amplification of magnetic fields in spacetimes with torsion are investigated by solving the Heisenberg-Ivanenko nonlinear spinor equation. It is shown that torsion is helicity dependent and that the magnetic fields can be…

Astrophysics of Galaxies · Physics 2012-11-21 L C Garcia de Andrade

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

Efficient transport of spin and orbital moments, and their electrical detection, are among the main challenges in spintronics and orbitronics. In magnetic insulators, these currents are mediated by magnons. In addition to carrying spin and…

Mesoscale and Nanoscale Physics · Physics 2026-03-10 Sankar Sarkar , Amit Agarwal

Antenna technology provides the crucial interface between electronic devices and electromagnetic waves required for wireless communications. This technology has operated under largely the same general principles for over a century,…

Applied Physics · Physics 2020-01-23 Kevin Quy Tanh Luong , Wei Gu , Foad Fereidoony , Lap Yeung , Zhi Yao , Yuanxun Ethan Wang

Magnetic damping is a key metric for emerging technologies based on magnetic nanoparticles, such as spin torque memory and high-resolution biomagnetic imaging. Despite its importance, understanding of magnetic dissipation in nanoscale…

Mesoscale and Nanoscale Physics · Physics 2019-10-29 I. Barsukov , H. K. Lee , A. A. Jara , Y. -J. Chen , A. M. Gonçalves , C. Sha , J. A. Katine , R. E. Arias , B. A. Ivanov , I. N. Krivorotov

Altermagnets host chirally split magnons that promise unique functionalities for information processing. However, their distinctive transport signatures, crucial for experimental identification and manipulation, remain elusive. Here, we…

Mesoscale and Nanoscale Physics · Physics 2026-05-05 Yanmeng Lei , Rui-Chun Xiao , Weiwei Lin , Tao Yu

Hybrid quantum systems based on magnetic platforms have witnessed the birth and fast development of quantum spintronics. Until now, most of the studies rely on magnetic excitations in low-damping magnetic insulators, particularly yttrium…

Mesoscale and Nanoscale Physics · Physics 2023-01-24 H. Y. Yuan , Jikun Xie , Rembert A. Duine

The energy-momentum dispersion of magnons, as collective low-energy excitations of magnetic material, is computed from an effective quantum spin Hamiltonian but simplified via linearized Holstein-Primakoff transformations to describe…

Strongly Correlated Electrons · Physics 2025-01-22 Federico Garcia-Gaitan , Ali Kefayati , John Q. Xiao , Branislav K. Nikolic

In this series of lectures, we discuss the basic theoretical concepts of magnonics and spintronics. We first briefly recall the relevant topics from quantum mechanics, electrodynamics of continuous media, and basic theory of magnetism. We…

Mesoscale and Nanoscale Physics · Physics 2026-05-05 M. Mazanov , V. A. Shklovskij

We undertake an in-depth analysis of the magneto-transport properties in mesoscopic single-channel rings and multi-channel cylinders within a tight-binding formalism. The main focus of this review is to illustrate how the long standing…

Mesoscale and Nanoscale Physics · Physics 2012-06-21 Santanu K. Maiti

We demonstrate that giant current and high spin rectification ratios can be achieved in atomic carbon chain devices connected between two symmetric ferromagnetic zigzag-graphene-nanoribbon electrodes. The spin dependent transport simulation…

Materials Science · Physics 2014-09-01 Y. J. Dong , X. F. Wang , S. W. Yang , X. M. Wu

Controlling spin current lies at the heart of spintronics and its applications. The sign of spin currents is monotonous in ferromagnets once the current direction is determined. Spin currents in antiferromagnets can possess opposite…

Cavity magnomechanics is one important hybrid magnonic platform that focuses on the coherent interaction between magnons and phonons. The resulting magnon polarons inherit the intrinsic properties of both magnons and phonons, combining…

Mesoscale and Nanoscale Physics · Physics 2024-12-24 Yu Jiang , Jing Xu , Zixin Yan , Amin Pishehvar , Xufeng Zhang

Magnons enable transferring a magnetic moment or spin over macroscopic distance. In quantum Hall ferromagnet, it has been predicted in the early 90s that spin and charges are entangled, meaning that any change of the spin texture modifies…

Mesoscale and Nanoscale Physics · Physics 2021-12-13 A. Assouline , M. Jo , P. Brasseur , K. Watanabe , T. Taniguchi , T. Jolicoeur , P. Roche , D. C. Glattli , N. Kumada , F. D. Parmentier , P. Roulleau

We present a novel method for measuring the modulation of magnetic anisotropy and the strength of spin-orbit interaction by an electrical current in nanomagnets. Our systematic study explores the current dependencies of these properties…

Mesoscale and Nanoscale Physics · Physics 2024-11-11 Vadym Zayets

In XXZ chains, spin transport can be significantly suppressed when the interactions in the chain and the bias of the dissipative driving are large enough. This phenomenon of negative differential conductance is caused by the formation of…

Statistical Mechanics · Physics 2020-10-09 Kang Hao Lee , Vinitha Balachandran , Ryan Tan , Chu Guo , Dario Poletti