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Related papers: Electronic transport driven spin-dynamics

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We study electronic transport through a magnetic molecule with an intrinsic spin $S$ coupled to two magnetic electrodes, in the incoherent regime. The molecule is modeled as a single resonant level with large Coulomb repulsion (no double…

Mesoscale and Nanoscale Physics · Physics 2010-11-19 Thibaut Jonckheere , Ken-Ichiro Imura , Thierry Martin

We study electronic transport in junctions consisting of a superconductor electrode and two ferromagnet (F) leads in which crossed Andreev reflections (CAR) and elastic cotunnelings are accommodated. We model the system using an extended…

Superconductivity · Physics 2013-03-01 Kuei Sun , Nayana Shah , Smitha Vishveshwara

We investigate electronic transport through II-VI semiconductor resonant tunneling structures containing diluted magnetic impurities. Due to the exchange interaction between the conduction electrons and the impurities, there arises a giant…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 David Sanchez , Charles Gould , Georg Schmidt , Laurens W. Molenkamp

A systematic microscopic theory of magnetically induced ferroelectricity and lattice modulation is presented for all electron configurations of Mott-insulating transition-metal oxides. Various mechanisms of polarization are identified in…

Strongly Correlated Electrons · Physics 2009-11-13 Chenglong Jia , Shigeki Onoda , Naoto Nagaosa , Jung Hoon Han

The time-dependent spin current mediated spin transfer torque behaviour has been investigated via scattering formalism within density functional theory framework supported by Green's function. Quantum magnetotransport characteristics have…

Mesoscale and Nanoscale Physics · Physics 2020-08-10 Sushant Kumar Behera , Pritam Deb

Explicit energy-transport equations for the spinorial carrier transport in ferromagnetic semiconductors are calculated from a general spin energy-transport system that was derived by Ben Abdallah and El Hajj from a spinorial Boltzmann…

Analysis of PDEs · Mathematics 2016-04-20 Ansgar Jüngel , Polina Shpartko , Nicola Zamponi

We study by extensive Monte Carlo simulations the transport of itinerant spins travelling inside a multilayer composed of three ferromagnetic films antiferromagnetically coupled to each other in a sandwich structure. The two exterior films…

Statistical Mechanics · Physics 2015-05-13 K. Akabli , H. T. Diep , S. Reynal

We fabricated a hybrid structure in which cobalt and permalloy micromagnets produce a local in-plane spin-dependent potential barrier for high-mobility electrons at the GaAs/AlGaAs interface. Spin effects are observed in ballistic transport…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. Wróbel , T. Dietl , A. Lusakowski , G. Grabecki , K. Fronc , R. Hey , K. H. Ploog , H. Shtrikman

We describe theoretically the process of multi-beam reflection in a two-dimensional electron system with a lateral potential barrier. Due to spin-orbital interaction, the reflection process leads to the formation of three beams with…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. O. Govorov , A. V. Kalameitsev , J. P. Dulka

Signatures of Majorana zero modes (MZMs), which are the building blocks for fault-tolerant topological quantum computing, have been observed in semiconductor nanowires (NW) with strong spin-orbital-interaction (SOI), such as InSb and InAs…

Mesoscale and Nanoscale Physics · Physics 2020-05-15 Zedong Yang , Brett Heischmidt , Sasa Gazibegovic , Ghada Badawy , Diana Car , Paul A. Crowell , Erik P. A. M. Bakkers , Vlad S. Pribiag

We have studied the spin transport characteristics of a spin metal-oxide-semiconductor field-effect transistor (spin MOSFET), particularly the bias voltage dependence of the electron spin polarization P_S in Si and the magnetoresistance…

Mesoscale and Nanoscale Physics · Physics 2025-09-09 Shoichi Sato , Masaaki Tanaka , Ryosho Nakane

We study the influence of spin waves on transport through a single-level quantum dot weakly coupled to ferromagnetic electrodes with noncollinear magnetizations. Side peaks appear in the differential conductance due to emission and…

Mesoscale and Nanoscale Physics · Physics 2010-11-15 Björn Sothmann , Jürgen König , Anatoli Kadigrobov

The features of the spin and charge transport of electrons and holes in a metal and a semiconductor were studied using the Boltzmann transport equations. It was shown that the electrons and holes carry the spin in opposite directions in an…

Mesoscale and Nanoscale Physics · Physics 2020-10-05 Vadym Zayets

Starting from microscopic and symmetry considerations, we derive the Hamiltonian describing the exchange interaction between the localized Mn spins and the valence band holes in $Ga_{1-x}Mn_x As$. We find that due to the strong spin-orbit…

Strongly Correlated Electrons · Physics 2007-05-23 Gergely Zarand , Boldizsar Janko

In this work, a theoretical study of spin transport in a pseudovalve spin (PSV) heterostructure is conducted. For the semiconductor (SC), the conduction band at the $\Gamma$ point of reciprocal space and spin-orbit coupling (SOC) are…

Materials Science · Physics 2026-03-24 Julián A. Zúñiga , Arles V. Gil Rebaza , Diego F. Coral Coral

A theory of spin-polarized transport in inhomogeneous magnetic semiconductors is developed and applied to magnetic/nonmagnetic p-n junctions. Several phenomena with possible spintronic applications are predicted, including spinvoltaic…

Condensed Matter · Physics 2009-11-07 Igor Zutic , Jaroslav Fabian , S. Das Sarma

We survey some recent accumulated body of works on hyperfine-mediated transport in a confined one-dimensional channel, realized typically by electrostatic gating. Our review begins with how the spin-polarized edge current can be used as a…

Mesoscale and Nanoscale Physics · Physics 2021-10-13 M. H. Fauzi , Y. Hirayama

Electron spin polarizations of 32% are obtained in a GaAs quantum well via electrical injection through a reverse-biased Fe/AlGaAs Schottky contact. An analysis of the transport data using the Rowell criteria demonstrates that single step…

The recent discovery of altermagnets, which exhibit spin splitting without net magnetization, opens new directions for spintronics beyond the limits of ferromagnets, antiferromagnets, and spin orbit coupled systems. We investigate spin…

Mesoscale and Nanoscale Physics · Physics 2025-12-29 Pei-Hao Fu , Qianqian Lv , Yong Xu , Jorge Cayao , Jun-Feng Liu , Xiang-Long Yu

Ballistic spin transport through waveguides, with symmetric or asymmetric double stubs attached to them periodically, is studied systematically in the presence of a weak spin-orbit coupling that makes the electrons precess. By an…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 X. F. Wang , P. Vasilopoulos , F. M. Peeters
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