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A general theory of edge spin wave excitations in semi-infinite and finite periodic arrays of magnetic nanodots existing in a spatially uniform magnetization ground state is developed. The theory is formulated using a formalism of…

Mesoscale and Nanoscale Physics · Physics 2016-07-06 Ivan Lisenkov , Vasyl Tyberkevych , Sergey Nikitov , Andrei Slavin

Magnetoresistance effects are crucial for understanding the charge/spin transport as well as propelling the advancement of spintronic applications. Here we report the coexistence of magnetic moment-dependent (MD) and magnetic field-driven…

We develop a quantum analog of the classical spin-torque model for current-driven magnetic dynamics. The current-driven magnetic excitation at finite field becomes significantly incoherent. This excitation is described by an effective…

Materials Science · Physics 2009-11-10 S. Urazhdin

The chiral-induced spin selectivity (CISS) effect, a phenomenon where the chirality of molecules imparts significant spin selectivity to electron transfer processes, has garnered increasing interest among the chemistry, biology, and physics…

Chemical Physics · Physics 2025-09-05 Tian-Yi Zhang , Yue Mao , Ai-Min Guo , Qing-Feng Sun

A new current induced spin-torque transfer effect has been observed in a single ferromagnetic layer without resorting to multilayers. At a specific current density of one polarity injected from a point contact, abrupt resistance changes due…

Condensed Matter · Physics 2009-11-07 Y. Ji , C. L. Chien

Here we propose an isotropic all electrical spin analyzer in a quantum ring with spin-orbit coupling by analytically and numerically modeling how the charge transmission rates depend on the polarization of the incident spin. The formalism…

Mesoscale and Nanoscale Physics · Physics 2021-03-17 Shenglin Peng , Wenchen Luo , Jian Sun , Ai-Min Guo , Fangping Ouyang , Tapash Chakraborty

We consider different schemes for the electrodynamic Aharonov-Bohm (AB) effect introduced in Ref. [Phys. Rev. A $\mathbf{108}$, 062218 (2023)], exploring the phenomenon to enhance the understanding of its topological nature in spacetime. In…

Quantum Physics · Physics 2025-07-08 Pablo L. Saldanha , Herman Batelaan

In this work we investigate magneto-optical properties of two-dimensional semiconductor quantum-ring excitons with Rashba and Dresselhaus spin-orbit interactions threaded by a magnetic flux perpendicular to the plane of the ring. By…

Mesoscale and Nanoscale Physics · Physics 2018-03-08 Wen-Hsuan Kuan , Vidar Gudmundsson

We theoretically study the renormalization of inertial effects on the spin dependent transport of conduction electrons in a semiconductor by taking into account the interband mixing on the basis of k.p perturbation theory. In our analysis,…

Mesoscale and Nanoscale Physics · Physics 2013-09-06 B. Basu , Debashree Chowdhury

In this manuscript, we investigate the influence of the Aharonov-Casher effect on the generalized Dirac oscillator containing the Coulomb-type potential function related to a relativistic neutral particle having a permanent magnetic dipole…

Quantum Physics · Physics 2022-05-17 Hao Chen , Zheng-Wen Long , Chao-Yun Long , Soroush Zare , Hassan Hassanabadi

One of the key features of the Majorana bound states emerging in topological superconducting (SC) wires is increasing oscillations of their energy under the growth of magnetic field or chemical potential due to concomitant enhancement of…

Mesoscale and Nanoscale Physics · Physics 2022-04-25 S. V. Aksenov

We use a combination of analytic calculations and numerical simulations to demonstrate that electrical current flowing through a magnetic bilayer induces dynamical coupling between the layers. The coupling originates from the dependence of…

Materials Science · Physics 2008-02-13 S. Urazhdin

The spin dynamics of electrons in chiral molecular systems remain a topic of intense interest, particularly regarding whether geometric chirality inherently induces spin polarization in current-carrying electrons. In this work, we employ ab…

We explore the possibilities for spin-singlet superconductivity in newly discovered altermagnets. Investigating $d$-wave altermagnets, we show that finite-momentum superconductivity can easily emerge in altermagnets even though they have no…

Superconductivity · Physics 2024-03-29 Debmalya Chakraborty , Annica M. Black-Schaffer

We study the evolution of magnetic structure driven by a synthetic spin-orbit coupling in a one-dimensional two-component Bose-Hubbard model. In addition to the Mott insulator-superfluid transition, we found in Mott insulator phases a…

Strongly Correlated Electrons · Physics 2015-06-19 Jize Zhao , Shijie Hu , Jun Chang , Fawei Zheng , Ping Zhang , Xiaoqun Wang

We study the quantum interference effects induced by the Aharonov-Casher phase in asymmetrically confined two-dimensional electron and heavy-hole ring structures systems taking into account the electrically tunable spin-orbit (SO)…

Mesoscale and Nanoscale Physics · Physics 2012-04-17 M. F. Borunda , Xin Liu , Alexey A. Kovalev , Xiong-Jun Liu , T. Jungwirth , Jairo Sinova

Temperature (5--250 K) and magnetic field (0--70 kOe) variations of the low-energy (1--10 meV) electrodynamics of spin excitations have been investigated for a complete set of light-polarization configurations for a ferroelectric magnet…

Materials Science · Physics 2009-11-13 N. Kida , Y. Ikebe , Y. Takahashi , J. P. He , Y. Kaneko , Y. Yamasaki , R. Shimano , T. Arima , N. Nagaosa , Y. Tokura

A semiclassical theory for the orbital magnetization due to adiabatic evolutions of Bloch electronic states is proposed. It renders a unified theory for the periodic-evolution pumped orbital magnetization and the orbital magnetoelectric…

Mesoscale and Nanoscale Physics · Physics 2021-03-24 Cong Xiao , Yafei Ren , Bangguo Xiong

We present new results for the properties of phases and phase transitions in spin-triplet ferromagnetic superconductors. The superconductivity of the mixed phase of coexistence of ferromagnetism and unconventional superconductivity is…

Superconductivity · Physics 2009-11-11 Diana V. Shopova , Dimo I. Uzunov

Optical generation of complex spin textures is one of the most exciting challenges of modern spintronics. Here, we uncover a distinct physical mechanism for imprinting spin chirality into collinear magnets with short laser pulses. By…

Mesoscale and Nanoscale Physics · Physics 2022-05-06 Sumit Ghosh , Frank Freimuth , Olena Gomonay , Stefan Blügel , Yuriy Mokrousov
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