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Related papers: Shot-noise spectroscopy of energy-resolved ballist…

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We discuss the possibility to employ the shot-noise measurements for the analysis of the energy resolved ballistic currents. Coulomb interactions play an essential role in this technique, since they lead to the shot-noise-suppression level…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 O. M. Bulashenko , J. M. Rubi

Frequency-dependent nonequilibrium noise in quantum-coherent diffusive conductors is calculated with account taken of long-range Coulomb interaction. For long and narrow contacts with strong external screening the crossover between quantum…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 K. E. Nagaev

A general formula for current noise in a two-terminal ballistic nondegenerate conductor under the action of long-range Coulomb correlations has been derived. The noise reduction factor (in respect to the uncorrelated value) is obtained for…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 O. M. Bulashenko , J. M. Rubi , V. A. Kochelap

We present an expression for the shot noise power spectral density in quasi-one dimensional conductors electrostatically controlled by a gate electrode, that includes the effects of Coulomb interaction and of Pauli exclusion among charge…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Alessandro Betti , Gianluca Fiori , Giuseppe Iannaccone

We consider the problem of shot noise in resonant tunneling through double quantum dots in the case of interacting particles. Using a many-body quantum mechanical description we evaluate the energy dependent transmission probability, the…

Condensed Matter · Physics 2009-11-07 Brahim Elattari , S. A. Gurvitz

We investigate the current injection into a ballistic conductor under the space-charge limited regime, when the distribution function of injected carriers is an arbitrary function of energy F_c(epsilon). The analysis of the coupled kinetic…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 O. M. Bulashenko , J. M. Rubi , V. A. Kochelap

We present a microscopic analysis of shot-noise suppression due to long-range Coulomb interaction in semiconductor devices under ballistic transport conditions. An ensemble Monte Carlo simulator self-consistently coupled with a Poisson…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 T. Gonzalez , O. M. Bulashenko , J. Mateos , D. Pardo , L. Reggiani

We present a theoretical investigation of shot-noise suppression due to long-range Coulomb interaction in nondegenerate diffusive conductors. Calculations make use of an ensemble Monte Carlo simulator self-consistently coupled with a…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 T. Gonzalez , J. Mateos , D. Pardo , O. M. Bulashenko , L. Reggiani

We work out a theory of shot noise in a special case. This is a noise of the Coulomb drag current excited under the ballistic transport regime in a one-dimensional nanowire by a ballistic non-Ohmic current in a nearby parallel nanowire. We…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 V. L. Gurevich , M. I. Muradov

A self-consistent theory of shot noise in ballistic two-terminal conductors under the action of long-range Coulomb correlations is presented. Analytical formulas for the electron distribution function and its fluctuation along the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 O. M. Bulashenko , J. M. Rubi , V. A. Kochelap

We investigate shot noise of photon-excited electron-hole pairs in open multi-terminal, multi-channel chaotic dots. Coulomb interactions in the dot are treated self-consistently giving a gauge-invariant expression for the finite frequency…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. L. Polianski , P. Samuelsson , M. Buttiker

We analyze current fluctuations in mesoscopic coherent conductors in the presence of electron-electron interactions. In a wide range of parameters we obtain explicit universal dependencies of the current noise on temperature, voltage and…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 A. V. Galaktionov , D. S. Golubev , A. D. Zaikin

A theory is developed for the emission noise at frequency $\nu$ in a quantum dot in the presence of Coulomb interactions and asymmetric couplings to the reservoirs. We give an analytical expression for the noise in terms of the various…

Mesoscale and Nanoscale Physics · Physics 2018-03-15 A. Crépieux , S. Sahoo , T. Q. Duong , R. Zamoum , M. Lavagna

We give a theoretical interpretation of the noise properties of Schottky barrier diodes based on the role played by the long range Coulomb interaction. We show that at low bias Schottky diodes display shot noise because the presence of the…

Statistical Mechanics · Physics 2009-10-31 G. Gomila , L. Reggiani , J. M. Rubi

We investigate the noise properties of pump currents through molecular wires and coupled quantum dots. As a model we employ a two level system that is connected to electron reservoirs and is non-adiabatically driven. Concerning the…

Mesoscale and Nanoscale Physics · Physics 2011-11-10 Franz J. Kaiser , Sigmund Kohler

We present a detailed theoretical investigation of the effect of Coulomb interactions on electron transport through quantum dots and double barrier structures connected to a voltage source via an arbitrary linear impedance. Combining real…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Dmitri S. Golubev , Andrei D. Zaikin

Within a Monte Carlo simulation we investigate the statistical properties of an electron flow injected with a Poissonian distribution and transmitted under ballistic regime in the presence of long-range Coulomb interaction. Electrons are…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 O. M. Bulashenko , J. Mateos , D. Pardo , T. Gonzalez , L. Reggiani , J. M. Rubi

We investigate the zero-frequency shot noise of electronic tunneling through a single quantum dot (SQD) and coherently coupled quantum dots (CQD) taking into account the Coulomb interaction. Within Hartree-Fock approximation, the analytical…

Mesoscale and Nanoscale Physics · Physics 2014-12-11 Bo Xiong , Guo-Hui Ding , Bing Dong

Quantum shot noise probes the dynamics of charge transfers through a quantum conductor, reflecting whether quasiparticles flow across the conductor in a steady stream, or in syncopated bursts. We have performed high-sensitivity shot noise…

We consider electrical transport through single molecules coupled to metal electrodes via tunneling barriers. Approximating the molecule by the Anderson impurity model as the simplest model which includes Coulomb charging effects, we extend…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Axel Thielmann , Matthias H. Hettler , Jürgen König , Gerd Schön
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