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Related papers: Heat-Driven Electron-Motion in a Nanoscale Electro…

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We experimentally investigate electron transport through the interface between a permalloy ferromagnet and the edge of a two-dimensional electron system with strong Rashba-type spin-orbit coupling. We observe strongly non-linear transport…

Mesoscale and Nanoscale Physics · Physics 2014-03-04 A. Kononov , S. V. Egorov , G. Biasiol , L. Sorba , E. V. Deviatov

The \textquotedblleft ferron\textquotedblright\ excitations of the electric-dipolar order carry energy as well as electric dipoles. Here we predict a nonlocal ferron drag effect in a ferroelectric on top of a metallic film: An electric…

Mesoscale and Nanoscale Physics · Physics 2023-04-05 Ping Tang , Ken-ichi Uchida , Gerrit E. W. Bauer

Coupled quasi-one-dimensional (quasi-1D) electron systems host rich emergent physics that cannot be accounted for by understanding isolated 1D electron systems alone. Open questions remain about how transport in these arrays can be…

Thermoelectric effects in spintronics are gathering increasing attention as a means of managing heat in nanoscale structures and of controlling spin information by using heat flow. Thermal magnons (spin-wave quanta) are expected to play a…

Materials Science · Physics 2012-03-27 Marius V. Costache , German Bridoux , Ingmar Neumann , Sergio O. Valenzuela

We investigate a one-dimensional wire of interacting electrons connected to semi-infinite leads in the absence and in the presence of a backscattering potential. An incident electron on the clean wire is perfectly transmitted into spatially…

Mesoscale and Nanoscale Physics · Physics 2008-02-03 I. Safi , H. J. Schulz

When two metal electrodes are separated, a nanometer sized wire (nanowire) is formed just before the contact breaks. The electrical conduction measured during this retraction process shows signs of quantized conductance in units of…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 S. Blom , H. Olin , J. L. Costa-Kramer , N. Garcia , M. Jonson , P. A. Serena , R. I. Shekhter

A scheme of spin diode is proposed that uses a step-like quantum wire with Rashba spin-orbit interaction, connected to two leads with different width. It is shown that a very large vertical spin-polarized current can be generated when…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Xianbo Xiao , Yuguang Chen

We use the formerly derived explicit analytical expressions for the conductivity of nanostructured superconductors supercooled below the critical temperature in electric field. Computer simulations reveal that the negative differential…

Superconductivity · Physics 2020-06-26 Todor M. Mishonov , Victor I. Danchev , Ioulia Chikina , Albert M. Varonov

Dynamic conductance and time-of-flight current instability in a quantum wire connected to electron reservoirs under DC bias voltage are studied in the absence of a gate screening the Coulomb interaction of electrons. Due to a strong…

Mesoscale and Nanoscale Physics · Physics 2025-11-04 Bagun S. Shchamkhalova , Vladimir A. Sablikov

The advancement of fabrication and lithography techniques of semiconductors have made it possible to study bi-layer systems made of two electronic layers separated by distances of several hundred Angstroms. In this situation the electrons…

Strongly Correlated Electrons · Physics 2009-10-31 A. G. Rojo

We present an efficient method for evaluating current-induced forces in nanoscale junctions, which naturally integrates into the non-equilibrium Green's function formalism implemented within density functional theory. This allows us to…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Ruoxing Zhang , Ivan Rungger , Stefano Sanvito , Shimin Hou

Coulomb drag is a transport phenomenon whereby long-range Coulomb interaction between charge carriers in two closely spaced but electrically isolated conductors induces a voltage (or, in a closed circuit, a current) in one of the conductors…

Mesoscale and Nanoscale Physics · Physics 2016-05-25 B. N. Narozhny , A. Levchenko

We develop a theory of thermal transport of weakly interacting electrons in quantum wires. Unlike higher-dimensional systems, a one-dimensional electron gas requires three-particle collisions for energy relaxation. The fastest relaxation is…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Alex Levchenko , Tobias Micklitz , Zoran Ristivojevic , K. A. Matveev

Superconductors used in magnet technology could carry extreme currents because of their ability to keep the magnetic flux motionless. The dynamics of the magnetic flux interaction with superconductors is controlled by this property. The…

Accelerator Physics · Physics 2015-01-29 F Gömöry

Interactions in one-dimensional (1D) electron systems are expected to cause a dynamical separation of electronic spin and charge degrees of freedom. A promising system for experimental observation of this non-Fermi-liquid effect consists of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 U. Zuelicke , M. Governale

We report the observation of Coulomb drag between a two-dimensional (2D) electron gas in graphene and a one-dimensional (1D) wire composed of a carbon nanotube. We find that drag occurs when the bulk of graphene is conducting, but is…

Mesoscale and Nanoscale Physics · Physics 2017-10-19 Jean-Damien Pillet , Austin Cheng , Takashi Taniguchi , Kenji Watanabe , Philip Kim

We present an overview of current-induced effects in nanoscale conductors with emphasis on their description at the atomic level. In particular, we discuss steady-state current fluctuations, current-induced forces, inelastic scattering and…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Neil Bushong , Massimiliano Di Ventra

We propose a setup which allows to couple the electron spin degree of freedom to the mechanical motions of a nanomechanical system not involving any of the ferromagnetic components. The proposed method employs the strain induced spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. G. Mal'shukov , C. S. Tang , C. S. Chu , K. A. Chao

Sufficiently large electric current applied to metallic nanostructures can bring them far out-of-equilibrium, resulting in non-Ohmic behaviors characterized by current-dependent resistance. We experimentally demonstrate a linear dependence…

Mesoscale and Nanoscale Physics · Physics 2020-03-25 Guanxiong Chen , Ryan Freeman , Andrei Zholud , Sergei Urazhdin

The interface between a liquid and a solid is the location of plethora of intrincate mechanisms at the nanoscale, at the root of their specific emerging properties in natural processes or technological applications. However, while the…