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相关论文: A Transfer Hamiltonian approach in self-consistent…

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We present a model of electron transport through a random distribution of interacting quantum dots embedded in a dielectric matrix to simulate realistic devices. The method underlying the model depends only on fundamental parameters of the…

介观与纳米尺度物理 · 物理学 2012-07-25 S. Illera , J. D. Prades , A. Cirera , A. Cornet

We present a theoretical model describing the photo-electrical response of a system composed of quantum dots embedded in a dielectric matrix. The model is based on the non-coherent rate equations and the Transfer Hamiltonian formalism. The…

介观与纳米尺度物理 · 物理学 2014-02-25 S. Illera , J. D. Prades , A. Cirera

A microscopic theory of the transport properties of quantum point contacts giving a unified description of the normal conductor- superconductor (N-S) and superconductor-superconductor (S-S) cases is presented. It is based on a model…

凝聚态物理 · 物理学 2009-10-28 J. C. Cuevas , A. Martin-Rodero , A. Levy Yeyati

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…

介观与纳米尺度物理 · 物理学 2013-05-29 Dmitri S. Golubev , Andrei D. Zaikin

We review the quantum interference effects in a system of interacting electrons confined to a quantum dot. The review starts with a description of an isolated quantum dot. We discuss the status of the Random Matrix theory (RMT) of the…

介观与纳米尺度物理 · 物理学 2009-11-07 I. L. Aleiner , P. W. Brouwer , L. I. Glazman

We evaluate the phase-coherent transport of electrons along linear structures of varying length, which are made from two types of potential wells set in either a periodic or a Fibonacci quasi-periodic sequence. The array is described by a…

介观与纳米尺度物理 · 物理学 2009-11-11 M. R. Bakhtiari , P. Vignolo , M. P. Tosi

We develop a theory of electron transport through quantum dots that are weakly coupled to ferromagnetic leads. The theory covers both the linear and nonlinear transport regime, takes non-collinear magnetization of the leads into account,…

介观与纳米尺度物理 · 物理学 2009-11-10 Matthias Braun , Jürgen König , Jan Martinek

In this paper we introduce a simple phenomenological model of the conduction between a couple of serial or parallel quantum dots. This model is extended to arbitrary of number and to a square array of quantum dots. The local potential is…

介观与纳米尺度物理 · 物理学 2015-03-17 S. Illera , A. Cirera

We investigate the effect of local Coulomb correlations on electronic transport through a variety of coupled quantum dot systems connected to Fermi liquid leads. We use a newly developed functional renormalization group scheme to compute…

介观与纳米尺度物理 · 物理学 2007-05-23 C. Karrasch , T. Enss , V. Meden

We explore theoretically how the coupling to cavity vacuum fields affects the electron transport in quantum conductors due to the counter-rotating-wave terms of light-matter interaction. We determine the quantum conductance in terms of the…

介观与纳米尺度物理 · 物理学 2023-01-31 Geva Arwas , Cristiano Ciuti

A new theoretical method is introduced to study coherent electron transport in an interacting multilevel quantum dot. The method yields the correct behavior both in the limit of weak and strong coupling to the leads, giving a unified…

介观与纳米尺度物理 · 物理学 2009-10-31 A. Levy Yeyati , F. Flores , A. Martin-Rodero

We discuss how the observation of population localization effects in periodically driven systems can be used to quantify the presence of quantum coherence in interacting qubit arrays. Essential for our proposal is the fact that these…

量子物理 · 物理学 2015-06-11 J. Almeida , P. C. de Groot , S. F. Huelga , A. M. Liguori , M. B. Plenio

It was recently proposed to use small groups of trapped ions as qubit carriers in miniaturized electrode arrays that comprise a large number of individual trapping zones, between which ions could be moved. This approach might be scalable…

Electron transport in periodic quantum dot arrays in the presence of interactions with phonons was investigated using the formalism of nonequilibrium Green's functions. The self-consistent Born approximation was used to model the…

介观与纳米尺度物理 · 物理学 2009-11-13 Nenad Vukmirović , Zoran Ikonić , Dragan Indjin , Paul Harrison

Electron transport experiments on two lateral quantum dots coupled in series are reviewed. An introduction to the charge stability diagram is given in terms of the electrochemical potentials of both dots. Resonant tunneling experiments show…

介观与纳米尺度物理 · 物理学 2009-11-07 W. G. van der Wiel , S. De Franceschi , J. M. Elzerman , T. Fujisawa , S. Tarucha , L. P. Kouwenhoven

We present an interpolative method for describing coherent transport through an interacting quantum dot. The idea of the method is to construct an approximate electron self-energy which becomes exact both in the limits of weak and strong…

介观与纳米尺度物理 · 物理学 2022-09-21 A. Levy Yeyati , A. Martin-Rodero , F. Flores

A new approach in the quantum theory of few-electron nanoelectronic devices -- the S-matrix approach -- is presented in a simple example: a single-electron transistor consisting of a single-level quantum dot connected with two metallic…

高能物理 - 唯象学 · 物理学 2007-05-23 Nguyen Van Hieu , Nguyen Bich Ha

We investigate transport properties of different realizations of one-dimensional quantum wires coupled to a number of external electrodes in terms of the full counting statistics. Focusing on the set-ups in which edge states of Majorana…

介观与纳米尺度物理 · 物理学 2016-03-15 A. Komnik

Quantum dots are nanoscopic systems, where carriers are confined in all three spatial directions. Such nanoscopic systems are suitable for fundamental studies of quantum mechanics and are candidates for applications such as quantum…

介观与纳米尺度物理 · 物理学 2016-03-16 Bahareh Goldozian , Fikeraddis A. Damtie , Gediminas Kiršanskas , Andreas Wacker

Quantum dots are versatile systems for exploring quantum transport, electron correlations, and many-body phenomena such as the Kondo effect. While equilibrium properties are well understood through methods like the numerical renormalization…

强关联电子 · 物理学 2026-01-06 Gustavo Diniz , Silvio Quintino , Vivian V. França
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