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Related papers: Spin polarization engineering in $d$-wave altermag…

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The distinctive symmetry properties of pure altermagnets make them natural candidates for piezomagnetism. Previous work motivated by the piezomagnetic properties of altermagnets has primarily focused on the spin magnetization response to…

Strongly Correlated Electrons · Physics 2026-02-11 Beryl Bell , Jörn W. F. Venderbos

We present a new approach to controlling magnetization in gold nanoparticles using the Inverse Faraday Effect combined with Laguerre-Gauss beams carrying orbital angular momentum. By tailoring the tilt of isophase planes, we induce drift…

Optics · Physics 2025-04-02 Xingyu Yang , Chantal Harreau , Mathieu Mivelle

Bringing magnetic metals into superconducting states represents an important approach for realizing unconventional superconductors and potentially even topological superconductors. Altermagnetism, classified as a third basic collinear…

Superconductivity · Physics 2023-11-07 Di Zhu , Zheng-Yang Zhuang , Zhigang Wu , Zhongbo Yan

Conventional spintronic mechanisms, such as spin-transfer and spin-orbit torques based on the spin current, rely on breaking time-reversal symmetry to manipulate magnetic moments. In contrast, for spatially separated dual spin currents, the…

Mesoscale and Nanoscale Physics · Physics 2026-01-01 Gengchen Meng Qi Sun , Zhicheng Xie , Yumin Yang , Yu Zhang , Na Lei , Dahai Wei

Achieving controllable spin polarization and its reversal in symmetry-compensated magnets. Here we demonstrate, using symmetry analysis and a minimal tight-binding model, that uniaxial strain removes these constraints by inducing…

We propose two schemes of a novel spin-optronic device, optical analog of Datta and Das spin transistor for the electrons. The role of ferromagnetic contacts is played by one-dimensional polariton channels with strong TE-TM splitting. A…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 I. A. Shelykh , R. Johne , D. D. Solnyshkov , G. Malpuech

The generation, manipulation and detection of spin-polarized electrons in nanostructures define the main challenges of spin-based electronics[1]. Amongst the different approaches for spin generation and manipulation, spin-orbit coupling,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Sergio O. Valenzuela , M. Tinkham

In planar altermagnets, optical excitation by linearly polarized ultrashort pulses can induce spin polarizations in the electronic excited states in a controlled fashion, even though the material is magnetically compensated. Here, we…

Materials Science · Physics 2025-05-20 Luca Haag , Marius Weber , Kai Leckron , Libor Šmejkal , Jairo Sinova , Hans Christian Schneider

We demonstrate a tunable Dirac-Weyl semimetal phase in two dimensions, realized by introducing in-plane d-wave altermagnetism into a Dirac system. This phase hosts both a central Dirac point and momentumseparated Weyl points connected by…

Mesoscale and Nanoscale Physics · Physics 2026-01-27 Lizhou Liu , Qing-Feng Sun , Ying-Tao Zhang

In-plane magnetization is induced by the Edelstein effect in the Rashba spin-orbit interaction system. However, out-of-plane magnetization is more useful for switching a ferromagnetic memory. We study analytically and numerically…

Mesoscale and Nanoscale Physics · Physics 2025-04-16 Motohiko Ezawa

It is shown that in organic semiconductors where organic magnetoresistance (OMAR) is observed, the exchange interaction between electrons and holes localized at different molecules leads to dynamic spin polarization in the direction of the…

Disordered Systems and Neural Networks · Physics 2022-04-06 A. V. Shumilin

The control of magnetic domain walls is essential for the magnetic-based memory and logic applications. As an elementary excitation of magnetic order, spin wave is capable of moving magnetic domain walls just as the conducting electric…

Materials Science · Physics 2018-10-18 Weichao Yu , Jin Lan , Jiang Xiao

The symmetry requirements for realizing unconventional compensated magnets with spin-polarized bands such as altermagnets have recently been uncovered. The most recent addition to this family of magnets is parity-odd or $p$-wave magnets. We…

Superconductivity · Physics 2025-06-10 Pavlo Sukhachov , Hans Gløckner Giil , Bjørnulf Brekke , Jacob Linder

We simulate the electron transport in vertical bi-layer nanowire which can be fabricated in molecular beam epitaxy process with lateral confinement potential formed by means of cleaved overgrowth or surface oxidization methods giving…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 T. Chwiej

Altermagnets host spin-split electronic bands without net magnetization, enabling spin-polarized transport in the absence of conventional ferromagnetism. RuO$_2$ has been proposed as a candidate altermagnet, yet experimental reports remain…

Mesoscale and Nanoscale Physics · Physics 2026-01-28 Alexandra J. Howzen , Sachin Gupta , Gavin Burnell , Nathan Satchell

We report the observation of current-induced spin polarization, the Rashba-Edelstein effect (REE), and its Onsager reciprocal phenomenon, the spin galvanic effect (SGE), in a few-layer graphene/2H-TaS2 heterostructure at room temperature.…

Electric gating can strongly modulate a wide variety of physical properties in semiconductors and insulators, such as significant changes of conductivity in silicon, appearance of superconductivity in SrTiO3, the paramagnet-ferromagnet…

Mesoscale and Nanoscale Physics · Physics 2018-10-24 Sergey Dushenko , Masaya Hokazono , Kohji Nakamura , Yuichiro Ando , Teruya Shinjo , Masashi Shiraishi

Polarization is a key ingredient of all waves, including the electromagnetic wave, the acoustic wave, as well as the spin wave. Due to the fixed ferromagnetic order, the spin wave in ferromagnet is limited to the right circular…

Materials Science · Physics 2018-10-30 Jin Lan , Weichao Yu , Jiang Xiao

Altermagnets are a recently discovered class of compensated magnets with momentum-dependent spin splittings and unusual transport properties, even without a net magnetization. In the presence of combined four-fold rotation and time-reversal…

Mesoscale and Nanoscale Physics · Physics 2025-10-17 Arnob Mukherjee , Biplab Sanyal , Annica M. Black-Schaffer , Ankita Bhattacharya

We investigate the physical mechanisms for achieving an electrical control of conventional spin-singlet superconductivity in thin films by focusing on the role of surface orbital polarization. Assuming a multi-orbital description of the…

Superconductivity · Physics 2020-09-18 Maria Teresa Mercaldo , Paolo Solinas , Francesco Giazotto , Mario Cuoco