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Antiferromagnetic materials can host spin-waves with polarizations ranging from circular to linear depending on their magnetic anisotropies. Until now, only easy-axis anisotropy antiferromagnets with circularly polarized spin-waves were…

Electron-magnon coupling at the interface between a normal metal and a magnetically ordered insulator modifies the electrical conductivity of the normal metal, an effect known as spin-Hall magnetoresistance. It can also facilitate…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Oliver Franke , Duje Akrap , Piet W. Brouwer

The propagation of magnons along a symmetry path may depend on the direction of propagation, similar to many other quasiparticles in nature. This phenomenon is commonly referred to as nonreciprocity. In addition to the fact that it is of…

Strongly Correlated Electrons · Physics 2024-10-10 Albrecht von Faber , Christopher Hins , Khalil Zakeri

Magnetized beams beam with significant canonical angular momentum are critical to electron cooling of hadron beams such as contemplated in next-generation hadron and electron-ion colliders. The transport of magnetized electron beams over…

We investigate the electrical and magneto-transport properties of Pt-C granular metals prepared by focused-electron-beam induced deposition. In particular, we consider samples close to the metal-insulator-transition obtained from as-grown…

Mesoscale and Nanoscale Physics · Physics 2013-11-07 Fabrizio Porrati , Roland Sachser , Michael Huth

The coupling of magnons and plasmons offers a promising avenue for hybrid quantum systems, facilitating coherent energy and information transfer between magnetic and charge excitations. However, existing mechanisms often depend on…

Mesoscale and Nanoscale Physics · Physics 2026-04-28 Pieter M. Gunnink , Alexander Mook

The microwave-induced orbital angular momentum (OAM) transfer from a Laguerre-Gaussian (LG) beam to a weak plane-wave is studied in a closed-loop four-level ladder-type atomic system. The analytical investigation shows that the generated…

Optics · Physics 2018-11-12 Zahra Amini Sabegh , Mohammad Ali Maleki , Mohammad Mahmoudi

Electric-field control of spin states offers a promising route to ultra-low-power, ultra-fast magnetization switching in spintronic devices such as magnetic tunnel junctions (MTJs). Recent progress in modulating spin-orbit interactions at…

Non-collinear antiferromagnets (nAFMs) with a small net magnetic moment offer new opportunities for ultrafast spintronic devices, owing to unique physical properties. While in ferromagnets and collinear AFMs the spin current polarization is…

Mesoscale and Nanoscale Physics · Physics 2025-03-18 Ping Tang , Gerrit E. W. Bauer

Realizing room-temperature ferromagnetic insulators, critical enablers for low-power spintronics, is fundamentally challenged by the long-standing trade-off between ferromagnetic ordering and indirect exchange interactions in insulators.…

Materials Science · Physics 2025-09-09 Xuanchi Zhou , Jiahui Ji , Wentian Lu , Huihui Ji , Chunwei Yao , Xiaohui Yao , Xiaomei Qiao , Guowei Zhou , Xiaohong Xu

All-solid-state nanoscale devices capable of efficiently controlling a heat flow are crucial for advanced thermal management technologies. Here we predict a magnon-driven magnetothermal resistance (mMTR) effect in multilayers of…

Mesoscale and Nanoscale Physics · Physics 2025-07-03 Ping Tang , Ken-ichi Uchida , Gerrit E. W. Bauer

Electric field-induced magnetization switching in multiferroics holds profound promise for ultra-low-energy computing in beyond Moore's law era. Bistable nanomagnets in the multiferroics are usually deemed to be suitable for storing a…

Mesoscale and Nanoscale Physics · Physics 2017-04-12 Kuntal Roy

In-plane magnetic fields offer a relatively unexplored opportunity to alter the band structure of stacks of 2D materials so that they exhibit desired physical properties. Here we show that an in-plane magnetic field combined with a…

Mesoscale and Nanoscale Physics · Physics 2025-03-17 Amarnath Chakraborty , Aleksandr Rodin , Shaffique Adam , Giovanni Vignale

Working in the Wannier representation, we derive an expression for the orbital magnetization of a periodic insulator. The magnetization is shown to be comprised of two contributions, an obvious one associated with the internal circulation…

Materials Science · Physics 2007-05-23 T. Thonhauser , Davide Ceresoli , David Vanderbilt , R. Resta

We derive a quantum-mechanical formula of the orbital magnetic quadrupole moment (MQM) in periodic systems by using the gauge-covariant gradient expansion. This formula is valid for insulators and metals at zero and finite temperature. We…

Materials Science · Physics 2018-07-25 Atsuo Shitade , Hikaru Watanabe , Youichi Yanase

We theoretically investigate the thermal Hall transport of magnon-polarons in a two-dimensional honeycomb antiferromagnetic insulator under the influence of a perpendicular magnetic field, varying in strength. The application of a…

Mesoscale and Nanoscale Physics · Physics 2024-06-12 Gyungchoon Go , Heejun Yang , Je-Geun Park , Se Kwon Kim

Exploring and manipulating the orbital degrees of freedom in solids has become a fascinating research topic in modern magnetism. Here, we demonstrate that spin waves can provide a way to control electronic orbital magnetism by the mechanism…

Strongly Correlated Electrons · Physics 2025-01-20 Lichuan Zhang , Lu Zhang , Dongwook Go , Chengwang Niu , Wulf Wulfhekel , Peng Li , Yuanping Chen , Yuriy Mokrousov , Lizhi Zhang

Magnon-polaritons (MPs) refer to a light--magnon coupled state and can potentially act as information carriers, possibly enabling charge-free computation. However, the light--magnon coupling is inherently weak. To achieve sufficiently…

Mesoscale and Nanoscale Physics · Physics 2023-12-19 Kenta Kato , Tomohiro Yokoyama , Hajime Ishihara

Ferrimagnetic insulators (FiMI) have been intensively used in microwave and magneto-optical devices as well as spin caloritronics, where their magnetization direction plays a fundamental role on the device performance. The magnetization is…

Spin transfer - the transfer of angular momentum from spin-polarized electrical current to magnetic materials - has been extensively researched as an efficient mechanism for the electronic manipulation of the static and dynamic states in…

Materials Science · Physics 2017-12-27 Andrei Zholud , Ryan Freeman , Rongxing Cao , Ajit Srivastava , Sergei Urazhdin
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