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Related papers: Spin dependent transport in ferromagnetic/supercon…

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We offer a general approach to calculation of single-electron tunneling spectra and conductance of a shuttle oscillating between two half-metallic leads with fully spin polarized carriers. In this case the spin-flip processes are completely…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 G. Cohen , V. Fleurov , K. Kikoin

We present a theory of single-electron tunneling transport through a ferromagnetic nanoparticle in which particle-hole excitations are coupled to spin collective modes. The model employed to describe the interaction between quasiparticles…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 L. Michalak , C. M. Canali , V. G. Benza

Nonequilibrium electronic transport through a quantum dot coupled to ferromagnetic leads (electrodes) is studied theoretically by the nonequilibrium Green function technique. The system is described by the Anderson model with arbitrary…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 R. Swirkowicz , M. Wilczynski , J. Barnas

We present a theoretical study of the spin transport properties of mono-atomic magnetic chains with a focus on the spectroscopical features of the I-V curve associated to spin-flip processes. Our calculations are based on the s-d model for…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Aaron Hurley , Nadjib Baadji , Stefano Sanvito

We analyze the broad range of spin-dependent nonequilibrium transport properties of hybrid systems composed of a normal region tunnel coupled to two superconductors with exchange fields induced by the proximity to thin ferromagnetic layers…

Mesoscale and Nanoscale Physics · Physics 2007-11-21 F. Giazotto , F. Taddei , P. D'Amico , Rosario Fazio , F. Beltram

Here, we explore the role of inherent altermagnetic topology in transverse transport phenomena (such as crystal/anomalous Hall, Nernst, and thermal Hall effects) in several famous altermagnets, including tetragonal…

Materials Science · Physics 2025-12-11 Xiuxian Yang , Xiaodong Zhou , Jingming Shi , Shifeng Qian , Xiaotian Wang , Wenhong Wang , Yinwei Li

We discuss the possibility to generate, manipulate, and probe single spins in single-level quantum dots coupled to ferromagnetic leads. The spin-polarized currents flowing between dot and leads lead to a non-equilibrium spin accumulation,…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Matthias Braun , Jürgen König , Jan Martinek

We construct a spin-drift-diffusion model to describe spin-polarized electron transport in zincblende semiconductors in the presence of magnetic fields, electric fields, and off-diagonal strain. We present predictions of the model for…

Materials Science · Physics 2009-11-11 M. Hruska , S. Kos , S. A. Crooker , A. Saxena , D. L. Smith

Quantum conductance calculations on the mechanically deformed monolayers of MoS$_2$ and WS$_2$ were performed using the non-equlibrium Green's functions method combined with the Landauer-B\"{u}ttiker approach for ballistic transport…

Materials Science · Physics 2014-03-04 Mahdi Ghorbani-Asl , Stefano Borini , Agnieszka Kuc , Thomas Heine

We present a description of spin-polarized transport in mesoscopic ferromagnet-superconductor (F/S) systems, where the transport is diffusive, and the interfaces are transparent. It is shown that the spin reversal associated with Andreev…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 F. J. Jedema , B. J. van Wees , B. H. Hoving , A. T. Filip , T. M. Klapwijk

The spin polarization P of the transport current through the interface between superconducting Al and ferromagnetic Fe is determined by means of Andreev reflection at nanostructured point contacts. We observe a systematic decrease of P with…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. Stokmaier , G. Goll , D. Weissenberger , C. Sürgers , H. v. Löhneysen

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

We report a study of transport blockade features in a quantum dot single-electron transistor, based on an undoped AlGaAs/GaAs heterostructure. We observe suppression of transport through the ground state of the dot, as well as negative…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 A. M. See , O. Klochan , A. P. Micolich , M. Aagesen , P. E. Lindelof , A. R. Hamilton

We derive diffusion equations, which describe spin-charge coupled transport on the helical metal surface of a three-dimensional topological insulator. The main feature of these equations is a large magnitude of the spin-charge coupling,…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 A. A. Burkov , D. G. Hawthorn

Recent progress in physics on spin dependent transport in magnetic nanostructures is reviewed. Special attention is paid on the spin accumulation and spin current caused by spin injection into non-magnetic metals and semiconductors and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. Maekawa

We study the transport properties of nanoscale superconducting (S) devices in which two superconducting electrodes are bridged by two parallel ferromagnetic (F) wires, forming an SFFS junction with a separation between the two wires less…

Superconductivity · Physics 2012-06-05 Madalina Colci , Kuei Sun , Nayana Shah , Smitha Vishveshwara , Dale J. Van Harlingen

A theoretical prediction of the spin-dependent electron self-energy and in-plane transport of a two-dimensional electron gas in proximity with a ferromagnetic gate is presented. The application of the predicted spin-dependent properties is…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 C. Ciuti , J. P. McGuire , L. J. Sham

We study electron transport through a small metallic island in the perturbative regime. Using a diagrammatic real-time technique, we calculate the occupation of the island as well as the conductance through the transistor at arbitrary…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Jürgen König , Herbert Schoeller , Gerd Schön

Charge and spin Josephson currents in a ballistic superconductor-ferromagnet-superconductor junction with spin-triplet pairing symmetry are studied using the quasiclassical Eilenberger equation. The gap vector of superconductors has an…

Superconductivity · Physics 2015-05-19 Yousef Rahnavard , Gholamreza Rashedi , Takehito Yokoyama

We study the temperature and gate voltage dependence of the conductance of the single electron transistor focusing on highly conducting devices. Electron tunneling is treated nonperturbatively by means of path integral Monte Carlo…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Georg Goeppert , Bruno Huepper , Hermann Grabert
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