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We present a technique to calculate the transport properties through one-dimensional models of molecular wires. The calculations include inelastic electron scattering due to electron-lattice interaction. The coupling between the electron…

Condensed Matter · Physics 2009-10-31 H. Ness , S. A. Shevlin , A. J. Fisher

We present a systematic study of the ballistic electron conductance through sp and 3d transition metal atoms attached to copper and palladium crystalline electrodes. We employ the 'ab initio' screened Korringa-Kohn-Rostoker Green's function…

Materials Science · Physics 2007-05-23 Alexei Bagrets , Nikos Papanikolaou , Ingrid Mertig

The guiding and transport of energy, for example of electromagnetic waves underpins many technologies that have shaped modern society, ranging from long distance optical fibre telecommunications to on-chip optical processors. Traditionally,…

We show how a simple laboratory experiment can illustrate certain electrical transport properties of metallic granular media. At a low critical imposed voltage, a transition from an insulating to a conductive state is observed. This…

Other Condensed Matter · Physics 2009-11-10 Eric Falcon , Bernard Castaing

Electrons travelling in free space have allowed to explore fundamental physics like the wave nature of matter, the Aharonov-Bohm and the Hanbury Brown-Twiss effect. Complementarily, the precise control over the external degrees of freedom…

Quantum Physics · Physics 2011-05-11 Johannes Hoffrogge , Roman Fröhlich , Mark A. Kasevich , Peter Hommelhoff

The linear conductance of a molecular conductor oscillating between two metallic leads is investigated numerically both for Hubbard interacting and noninteracting electrons. The molecule-leads tunneling barriers depend on the molecule…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 K. A. Al-Hassanieh , C. A. Büsser , G. B. Martins , E. Dagotto

Electron transmission through nanosystems is blocked if there are no states connecting the left and the right reservoir. Electron-electron scattering can lift this blockade and we show that this feature can be conveniently implemented by…

Mesoscale and Nanoscale Physics · Physics 2011-11-09 Benny Lassen , Andreas Wacker

Theoretical modeling of electroosmosis through conducting (ideally polarizable) nanochannels is reported. Based on the theory of induced charge electrokinetics, a novel nanofluidic system which possesses both adjustable ion selective…

Fluid Dynamics · Physics 2015-07-23 Cunlu Zhao , Chun Yang

The interaction between molecular (atomic) electron(s) and the vacuum field of a reflective cavity generates a significant interest thanks to the rapid developments in nanophotonics. Such interaction which lies within the realm of cavity…

Chemical Physics · Physics 2019-05-22 Alexander Semenov , Abraham Nitzan

We evaluate the microscopically relevant parameters for electrical transport of hybrid superconductor-semiconductor interfaces. In contrast to the commonly used geometrically constricted metallic systems, we focus on materials with…

Superconductivity · Physics 2021-04-21 Daniel Breunig , Song-Bo Zhang , Björn Trauzettel , T. M. Klapwijk

We analyze electron transport through relatively short coherent conductors in the presence of Coulomb interaction. We evaluate the current-voltage characteristics of such conductors taking into account the effect of an external environment.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. D. Zaikin , D. S. Golubev

Combined first-principles and experimental investigations reveal the underlying mechanism responsible for a drastic change of the conductivity (by 10 orders of magnitude) following hydrogen annealing and UV-irradiation in a transparent…

Materials Science · Physics 2009-11-10 J. E. Medvedeva , A. J. Freeman , M. I. Bertoni , T. O. Mason

In bulk semiconductor materials, the insulator-metal transition (IMT) is governed by the concentration of conduction electrons. Meanwhile, even when fabricated from metallic building blocks, nanocrystal films are often insulating with…

Electron transport within nanostructures can be important to varied engineering applications, such as thermoelectrics and nanoelectronics. In theoretical studies, electron Monte Carlo simulations are widely used as an alternative approach…

Applied Physics · Physics 2019-02-20 Qing Hao , Yue Xiao

In this paper we present theoretical analysis of the electron transport in conducting polymers. We concentrate on the study of the effects of temperature on characteristics of the transport. We treat a conducting polymers in a metal state…

Materials Science · Physics 2008-10-23 Natalya A. Zimbovskaya

In this overview we provide a general introduction to metal-insulator transitions, with focus on specific mechanisms that can localize the electrons in absence of magnetic or charge ordering, and produce well defined quantum critical…

Strongly Correlated Electrons · Physics 2011-12-30 V. Dobrosavljevic

We noted that the tunneling-percolation framework is quite well understood at the extreme cases of percolation-like and hopping-like behaviors but that the intermediate regime has not been previously discussed, in spite of its relevance to…

Materials Science · Physics 2015-05-18 G. Ambrosetti , C. Grimaldi , I. Balberg , T. Maeder , A. Danani , P. Ryser

Here, we present theoretical analysis of electron transport in polyaniline based (PANi) nanofibers assuming the metalic state of the material. To build up this theory we treat conducting polymers as a special kind of granular metals, and we…

Soft Condensed Matter · Physics 2012-08-27 Natalya A. Zimbovskaya , Alan T. Johnson, , Nicholas J. Pinto

An effective mass based model accounting for the conduction band quantization in a high aspect ratio semiconductor nanotip is developed to describe injected electron transport and subsequent electron emission from the nanotip. A transfer…

Mesoscale and Nanoscale Physics · Physics 2019-06-06 Andrei Piryatinski , Chengkun Huang , Thomas J. T. Kwan

Propagation of high-intensity, high-contrast ($<10^{-8}$), 50\,fs laser pulses through triangilar copper capillaries is experimentally studied. The relative transmission through 20-mm-long, about 50\,$\mu$m wide capillaries is directly…

Plasma Physics · Physics 2015-04-03 V. E. Leshchenko , K. V. Gubin , V. I. Trunov , K. V. Lotov , E. V. Pestryakov