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Related papers: Current-induced Orbital and Spin Magnetizations in…

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In this study, we theoretically show that in a helical crystal, a current is induced by chiral phonons representing the microscopic local rotation of atoms. By treating the rotational motion as a perturbation, we calculate the…

Mesoscale and Nanoscale Physics · Physics 2022-05-16 Dapeng Yao , Shuichi Murakami

Orbitally ordered states evolving coincidentally with structural distortions and magnetic ordering provide a novel route to controlling electronic and magnetic properties of materials through external fields. We report an unprecedented…

Strongly Correlated Electrons · Physics 2012-08-06 N. J. Perks , R. D. Johnson , C. Martin , L. C. Chapon , P. G. Radaelli

We investigate the current-induced spin polarization in the two-dimensional hole gas (2DHG) with the structure inversion asymmetry. By using the perturbation theory, we re-derive the effective $k$-cubic Rashba Hamiltonian for 2DHG and the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Chao-Xing Liu , Bin Zhou , Shun-Qing Shen , Bang-fen Zhu

Spin waves in ferromagnetic materials are predominantly characterized by right-handed circular polarization due to symmetry breaking induced by net magnetization. However, magnetic interactions, including the external magnetic field,…

Mesoscale and Nanoscale Physics · Physics 2025-07-21 Yutian Wang , Ruoban Ma , Jiang Xiao

Ultrathin magnetic systems have properties qualitatively different from their thicker counterparts, implying that different physics governs their properties. We demonstrate that various such properties can be explained naturally by the…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Kyoung-Whan Kim , Soo-Man Seo , Jisu Ryu , Kyung-Jin Lee , Hyun-Woo Lee

We consider a disordered graphene layer with anisotropic Rashba spin-orbit coupling subjected to a longitudinal electric field. Using the linear response theory we calculate current-induced spin polarization including in-plane normal and…

Mesoscale and Nanoscale Physics · Physics 2017-09-26 Mir Vahid Hosseini

Structure and properties of two-dimensional spiral textures in helical ferromagnets have been studied. In these magnetic mediums have been predicted new types of periodical structures - spiral lattices.

Strongly Correlated Electrons · Physics 2013-01-03 A. B. Borisov , F. N. Rybakov

Rashba nanowires in a magnetic field exhibit a helical regime when the spin-orbit momentum is close to the Fermi momentum, k_F \approx k_{SO}. We show that this regime is characterized by a strongly anisotropic electron spin susceptibility,…

Mesoscale and Nanoscale Physics · Physics 2013-08-06 Tobias Meng , Daniel Loss

Spin Hall effect, an electric generation of spin current, allows for efficient control of magnetization. Recent theory revealed that orbital Hall effect creates orbital current, which can be much larger than spin Hall-induced spin current.…

We study the spin polarization induced by a current flow in clean two dimensional electron gases with Rashba spin-orbit coupling. This geometric effect originates from special properties of the electron's scattering at the edges of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Reynoso , Gonzalo Usaj , C. A. Balseiro

Orbital current has emerged over the past years as one of the key novel concepts in magnetotransport. Here, we demonstrate that laser pulses can be used to generate large and robust non-relativistic orbital currents in systems where the…

Mesoscale and Nanoscale Physics · Physics 2024-02-16 T. Adamantopoulos , M. Merte , D. Go , F. Freimuth , S. Blügel , Y. Mokrousov

We theoretically investigate the mechanism of spin current generation induced by elastic waves in nonrelativistic magnets referred to as altermagnets. By analyzing an $f$-wave altermagnet formed by a three-sublattice noncollinear…

Mesoscale and Nanoscale Physics · Physics 2026-03-02 Ken Uchino , Yuuki Ogawa , Satoru Hayami

Superconductors without inversion symmetry can exhibit a non-zero magnetization when a supercurrent is present, leading to non-dissipative magnetoelectric effects. Here, we focus on understanding the relation between the spin and orbital…

Superconductivity · Physics 2025-05-05 Satoshi Ando , Yukio Tanaka , Mario Cuoco , Luca Chirolli , Maria Teresa Mercaldo

We present a simple and pedagogical derivation of the spin current as the linear response to an external electric field for both Rashba and Luttinger spin-orbital coupling Hamiltonians. Except for the adiabatic approximation, our derivation…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Jiangping Hu , Bogdan A. Bernevig , Congjun Wu

The stress caused by vortices in tetragonal superconductors contributes to the intervortex interaction which depends on vortex orientation within the crystal, on elastic moduli, and is attractive within certain angular regions even in…

Superconductivity · Physics 2015-06-17 V. G. Kogan

Spontaneous spin polarization of the electrical current flowing through nonmagnetic semiconductor junctions can be generated by carrier scattering processes that are independent of the carrier spin. The two required elements for…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yunong Qi , Michael E. Flatté

A low-temperature method is developed, suited for the two-dimensional two-component classical helical magnet. Four phases on the phase diagram as functions of temperature and helicity parameter of the Hamiltonian are found. Among the three…

Statistical Mechanics · Physics 2015-06-16 Olga Dimitrova

Materials with spin-momentum locked surface or interface states provide an interesting playground for studying physics and application of charge-spin current conversion. To characterize their non-equilibrium magnetic and transport…

Mesoscale and Nanoscale Physics · Physics 2020-08-26 Ping Tang , Xiufeng Han , Shufeng Zhang

Current-induced spin polarization in a two-dimensional electron gas with Rashba spin-orbit interaction is considered theoretically in terms of the Matsubara Green functions. This formalism allows to describe temperature dependence of the…

Mesoscale and Nanoscale Physics · Physics 2017-06-14 A. Dyrdal , J. Barnas , V. K. Dugaev

We study magnetoelastic resonance phenomena in a mono-axial chiral helimagnet belonging to hexagonal crystal class. By computing the spectrum of coupled elastic wave and spin wave, it is demonstrated how hybridization occurs depending on…

Materials Science · Physics 2018-05-16 A. A. Tereshchenko , A. S. Ovchinnikov , I. Proskurin , E. V. Sinitsyn , Jun-ichiro Kishine
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