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We study charging effects and tunneling in the single electron box. Tunneling mixes different charge states and in the nonperturbative regime the charge in the island may be strongly screened. When charge states are nearly degenerate the…

Condensed Matter · Physics 2009-10-22 G. Falci , J. Heins , Gerd Schoen , Gergely T. Zimanyi

The electron current density in nanoscale junctions is typically several orders of magnitude larger than the corresponding one in bulk electrodes. Consequently, the electron-electron scattering rate increases substantially in the junction.…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Roberto D'Agosta , Na Sai , Massimiliano Di Ventra

We investigate theoretically the formation of collective excitations in atomic scale quasi-one dimensional metallic nanostructures. The response of the system is calculated within the linear response theory and random phase approximation.…

Mesoscale and Nanoscale Physics · Physics 2008-04-17 Amy Cassidy , Ilya Grigorenko , Stephan Haas

We report on electronic-structure calculations for the pentacene and rubrene crystals, based on experimental crystal geometries measured at different temperatures. The results are in very good agreement with angle-resolved photoelectron…

Materials Science · Physics 2012-11-01 Yuan Li , Veaceslav Coropceanu , Jean-Luc Brédas

We present a qualitative model study of energy and temperature dependence of hot electron magnetotransport. This model calculations are based on a simple argument that the inelastic scattering strength of hot electrons is strongly spin and…

Condensed Matter · Physics 2009-11-07 Jisang Hong

We discuss the influence of the electromagnetic environment and the electron-electron interaction on the weak localization correction to the conductivity of a disordered metal. The theory of this phenomenon for sufficiently high…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Maxim Vavilov , Vinay Ambegaokar

Electron excitations at silicon and 3C-SiC surfaces caused by an intense femtosecond laser pulse can be calculated by solving the time-dependent density functional theory and the Maxwell's equation simultaneously. The energy absorption,…

Applied Physics · Physics 2019-08-16 Tomohito Otobe

Numerical modeling of correlated single-electron tunneling in uniform 2D arrays of small conducting islands separated by tunnel junctions shows the possiblility of soliton-antisoliton avalanches. Though the time duration of any avalanche,…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Viktor A. Sverdlov , Daniel M. Kaplan , Alexander N. Korotkov , Konstantin K. Likharev

Electron tunneling between superconductors and normal metals has been used for an efficient refrigeration of electrons in the latter. Such cooling is a non-linear effect and usually requires a large voltage. Here we study the electron…

Superconductivity · Physics 2019-11-13 Mikel Rouco , Tero T. Heikkilä , F. Sebastian Bergeret

Ionization threshold energies of Al$_n$ (n=32-95) nanoclusters are determined by laser ionization of free neutral metal clusters thermalized to several temperatures in the range from 65 K to 230 K. The photoion yield curves of cold clusters…

Atomic and Molecular Clusters · Physics 2015-11-02 Avik Halder , Vitaly V. Kresin

We calculated the effects of spin-orbit interaction (SOI) on the energy bands, ballistic conductance and the electron-diffusion thermoelectric power of a nanowire by varying the temperature, electron density and width of the wire. The…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Godfrey Gumbs , Antonios Balassis , Danhong Huang

We use first-principles calculations to study the effect of magnetic disorder and electron correlations on the structural and thermodynamic properties of CrN. We illustrate the usability of a special quasirandom structure supercell…

Strongly Correlated Electrons · Physics 2010-12-14 B. Alling , T. Marten , I. A. Abrikosov

We derive and evaluate expressions for the low temperature {\it dc} equilibrium tunneling conductance between parallel two-dimensional electron systems. Our theory is based on a linear-response formalism and on impurity-averaged…

Condensed Matter · Physics 2009-10-22 Lian Zheng , A. H. MacDonald

Electron tunneling through small metallic islands with low capacitance is studied. The large charging energy in these systems is responsible for nonperturbative Coulomb blockade effects. We further consider the effect of electron…

Condensed Matter · Physics 2016-08-31 Jürgen König , Herbert Schoeller , Gerd Schön , Rosario Fazio

Effects of the electron-electron interaction on tunneling into a metal in ultra-high magnetic field (ultra-quantum limit) are studied. The range of the interaction is found to have a decisive effect both on the nature of the field-induced…

Strongly Correlated Electrons · Physics 2007-10-30 Shan-Wen Tsai , D. L. Maslov , L. I. Glazman

First principle calculations are performed to investigate the effect of polar order strength on the thermoelectric (TE) properties of GeTe alloy in its rhombohedral structure. The variation in the polarization state using various…

Computational Physics · Physics 2026-01-06 Aida Sheibani , Charles Paillard , Abhyian Pandit , Raad Haleoot , Laurent Bellaiche , Bothina Hamad

The proximity effect between a superconductor and a highly diffusive two-dimensional metal was revealed in a Scanning Tunneling Spectroscopy experiment. The in-situ elaborated samples consisted of superconducting single crystalline Pb…

Seventy crossings of the Earths bow shock by the THEMIS satellites have been used to study thermal electron heating in collisionless, quasi-perpendicular shocks. It was found that the temperature increase of thermal electrons differed from…

Plasma Physics · Physics 2013-02-11 F. S. Mozer , David Sundkvist

Effects of the electron-electron interaction on tunneling in a semiconductor nanowhisker are studied in a magnetic quantum limit. We consider the system with which bulk and edge states coexist. In bulk states, the temperature dependence of…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Toshihiro Kubo , Yasuhiro Tokura

We study strong electron tunneling in the single-electron box, a small metallic island coupled to an electrode by a tunnel junction, by means of quantum Monte Carlo simulations. We obtain results, at arbitrary tunneling strength, for the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Carlos P. Herrero , Gerd Schon , Andrei D. Zaikin