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Related papers: Vibrational detection and control of spin in mixed…

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We report on the experimental investigation of an individual pseudomolecule using trapped ions with adjustable magnetically induced J-type coupling between spin states. Resonances of individual spins are well separated and are addressed…

Quantum Physics · Physics 2012-08-13 A. Khromova , Ch. Piltz , B. Scharfenberger , T. F. Gloger , M. Johanning , A. F. Varón , Ch. Wunderlich

We develop a classical mapping approach suitable to describe vibrationally coupled charge transport in molecular junctions based on the Cartesian mapping for many-electron systems [J. Chem. Phys. 137, 154107 (2012)]. To properly describe…

Strongly Correlated Electrons · Physics 2015-06-18 Bin Li , Eli. Y. Wilner , Michael Thoss , Eran Rabani , William H. Miller

We apply the Wigner function formalism to derive drift-diffusion transport equations for spin-polarized electrons in a III-V semiconductor single quantum well. Electron spin dynamics is controlled by the linear in momentum spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Semion Saikin

The effect of vibrational motion on resonant charge transport through single molecule junctions is investigated. The study is based on a combination of first-principles electronic structure calculations to characterize the system and…

Other Condensed Matter · Physics 2007-12-24 Claudia Benesch , Martin Cizek , Jiri Klimes , Michael Thoss , Wolfgang Domcke

The conductance through a local nuclear spin precessing in a magnetic field is studied by using the equations-of-motion approach. The characteristics of the conductance is determined by the tunneling matrix and the position of equilibrium…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Jian-Xin Zhu , A. V. Balatsky

We study the controlled manipulation of the Jahn-Teller metal state of fulleride compounds using nonequilibrium dynamical mean field theory. This anomalous metallic state is a spontaneous orbital-selective Mott phase, which is characterized…

Strongly Correlated Electrons · Physics 2017-05-10 Philipp Werner , Hugo Strand , Shintaro Hoshino , Martin Eckstein

We present a general theory about electron orbital motions in topological insulators. An in-plane electric field drives spin-up and spin-down electrons bending to opposite directions, and skipping orbital motions, a counterpart of the…

Mesoscale and Nanoscale Physics · Physics 2016-01-14 Li-kun Shi , Shou-cheng Zhang , Kai Chang

We study the ac charge and -spin transport through an orbital of a magnetic molecule with spin precessing in a constant magnetic field. We assume that the source and drain contacts have time-dependent chemical potentials. We employ the…

Mesoscale and Nanoscale Physics · Physics 2018-02-26 Milena Filipović , Wolfgang Belzig

We theoretically investigate inelastic transport through anisotropic magnetic molecules weakly coupled to one ferromagnetic and one nonmagnetic lead. We find that the current is suppressed over wide voltage ranges due to spin blockade. In…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Florian Elste , Carsten Timm

The influence of an electron-vibrational coupling on the laser control of electron transport through a molecular wire that is attached to several electronic leads is investigated. These molecular vibrational modes induce an effective…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jörg Lehmann , Sigmund Kohler , Volkhard May , Peter Hänggi

We develop a microscopic theory of single-electron transport in N-S-N hybrid structures in the presence of applied magnetic field introducing vortex lines in a superconductor layer. We show that vortex cores in a thick and clean…

Superconductivity · Physics 2009-11-10 N. B. Kopnin , A. S. Mel'nikov , V. M. Vinokur

A minimally invasive technique is proposed for detecting the differential spin conductance and spin current noise across a junction between two quantum magnets using a high-quality microwave resonator coupled to a transmission line which is…

Mesoscale and Nanoscale Physics · Physics 2019-05-27 Joshua Aftergood , Mircea Trif , So Takei

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

In the spin energy excitation mode of normal metals and superconductors, spin up and down electrons (or quasiparticles) carry different heat currents. This mode occurs only when spin up and down energy distribution functions are…

Mesoscale and Nanoscale Physics · Physics 2020-01-14 M. Kuzmanović , B. Y. Wu , M. Weideneder , C. H. L. Quay , M. Aprili

Electronic conductance through a single molecule is sensitive towards its structural orientation between two electrodes, owing to the distribution of molecular orbitals and their coupling to the electrode levels, that are governed by…

Mesoscale and Nanoscale Physics · Physics 2023-08-11 Koushik R. Das , Sudipta Dutta

Molecular systems can exhibit a complex, chemically tailorable inner structure which allows for targeting of specific mechanical, electronic and optical properties. At the single-molecule level, two major complementary ways to explore these…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Rocco Gaudenzi , Maciej Misiorny , Enrique Burzurí , Maarten R. Wegewijs , Herre S. J. van der Zant

We theoretically study nonequilibrium spin transport in a superconducting wire connected by tunnel junctions to two ferromagnetic metal wires, each of which serves as an injector or detector of spin-polarized electron current. We present a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Yositake Takane

We theoretically investigate spin transfer between a system of quasiequilibrated Bose-Einstein condensed magnons in an insulator in direct contact with a conductor. While charge transfer is prohibited across the interface, spin transport…

Mesoscale and Nanoscale Physics · Physics 2013-11-07 Scott A. Bender , Rembert A. Duine , Yaroslav Tserkovnyak

A scanning tunneling microscope (STM) can probe the inelastic spin excitations of single magnetic atoms in a surface via spin-flip assisted tunneling. A particular and intriguing case is the Mn dimer case. We show here that the existing…

Mesoscale and Nanoscale Physics · Physics 2022-08-31 F. Delgado , J. Fernández-Rossier

Lateral-hetero structures of atomic layered materials alter the electronic properties of pristine crystals and provide a possibility to produce useful monolayer materials. We reveal that metal-semiconductor-metal lateral-hetero junctions of…

Mesoscale and Nanoscale Physics · Physics 2022-03-04 Tetsuro Habe