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We review the mechanisms of low-temperature electron transport across a quantum dot weakly coupled to two conducting leads. Conduction in this case is controlled by the interaction between electrons. At temperatures moderately lower than…

介观与纳米尺度物理 · 物理学 2007-05-23 L. I. Glazman , M. Pustilnik

We investigate non-equilibrium transport properties of a quantum dot in the Coulomb blockade regime under the condition of negligible inelastic scattering during the dwelling time of the electrons in the dot. Using the quantum kinetic…

介观与纳米尺度物理 · 物理学 2023-11-17 George McArdle , Rose Davies , Igor V. Lerner , Igor V. Yurkevich

We investigate the thermoelectric transport properties of an interacting parallel double quantum dot in the Coulomb-blockade regime. Building on an analytical solution based on an equation-of-motion technique, we extend the formalism for…

介观与纳米尺度物理 · 物理学 2025-10-24 Nahual Sobrino

Thermal transport through a Coulomb-blockade quantum dot (QD) coupled to two metallic leads is studied using five different approaches to the master equation in which sequential and coutuneling terms are taken into account. In the presence…

介观与纳米尺度物理 · 物理学 2022-04-05 Taha Yasin Ahmed , Nzar Rauf Abdullah , Vidar Gudmundsson

We investigate the nonlinear regime of charge and energy transport through Coulomb-blockaded quantum dots. We discuss crossed effects that arise when electrons move in response to thermal gradients (Seebeck effect) or energy flows in…

介观与纳米尺度物理 · 物理学 2014-09-30 Miguel A. Sierra , David Sanchez

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 study the thermoelectrical transports for an interacting dot attached to two graphene electrodes. Graphene band structure shows a pseudogap density of states that affects strongly the transport properties. In this work, we focus on the…

介观与纳米尺度物理 · 物理学 2016-01-12 Jose Ramon Isern-Lozano , Ioan Grosu , Rosa Lopez , Jong Soo Lim , Mircea Crisan

We theoretically compare transport properties of Fano-Kondo effect with those of Fano effect. We focus on shot noise characteristics of a triple quantum dot (QD) system in the Fano-Kondo region at zero temperature, and discuss the effect of…

强关联电子 · 物理学 2015-05-13 Tetsufumi Tanamoto , Yoshifumi Nishi , Shinobu Fujita

We investigate the transport properties of a triangular triple quantum dot (TTQD) system connected with two reservoirs under linear response regime. By employing the hierarchical equations of motion(HEOM), we compute the thermopower and…

介观与纳米尺度物理 · 物理学 2026-02-03 Shuo Dong , Yiming Liu , Junqing Li , Jianhua Wei

We investigate theoretically quantum transport through the "charge" Kondo circuit consisting of the quantum dot (QD) coupled weakly to an electrode at temperature $T+\Delta T$ and connected strongly to another electrode at the reference…

介观与纳米尺度物理 · 物理学 2020-03-13 T. K. T. Nguyen , M. N. Kiselev

Thermoelectric effects are studied in an Aharonov-Bohm (AB) interferometer with an embedded quantum dot in the Kondo regime. The AB flux-dependent transmission probability has an asymmetrical shape arising from the Fano interference between…

凝聚态物理 · 物理学 2009-11-07 Tae-Suk Kim , S. Hershfield

We analyze cotunneling transport through two quantum dots in series weakly coupled to external ferromagnetic leads. In the Coulomb blockade regime the electric current flows due to third-order tunneling, while the second-order…

介观与纳米尺度物理 · 物理学 2009-11-13 I. Weymann

We study the zero-bias conductance through the system of two quantum dots, one of which is embedded directly between the source and drain electrodes, while the second dot is side-coupled to the first one through a tunneling junction.…

介观与纳米尺度物理 · 物理学 2010-08-10 Rok Zitko

We examine the impact of Coulomb electron-electron interaction on transport in a junction with a quantum dot described by Kondo Hamiltonian. We analyze the Fermi liquid regime and consider the limit of zero temperature. With the help of…

强关联电子 · 物理学 2009-11-11 A. Golub

Correlation effects on electron transport through a system of T-shaped double-dots are investigated, for which only one of the dots is directly connected to the leads. We evaluate the local density of states and the conductance by means of…

介观与纳米尺度物理 · 物理学 2009-11-07 Yusuke Takazawa , Yoshiki Imai , Norio Kawakami

Electronic transport through a two-path triple-quantum-dot system with two source leads and one drain is studied. By separating the conductance of the two double dot paths, we are able to observe double dot and triple dot physics in…

介观与纳米尺度物理 · 物理学 2016-08-03 M. Kotzian , F. Gallego-Marcos , G. Platero , R. J. Haug

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

Based on calculations of the electronic structure of coupled multiple quantum dots, we study systemically the transport properties of the system driven by an ac electric field. We find qualitative difference between transport properties of…

介观与纳米尺度物理 · 物理学 2009-11-13 Wanyuan Xie , Hui Pan , Weidong Chu , Wei Zhang , Suqing Duan

We theoretically study the nonequilibrium thermoelectric transport properties of a strongly-correlated molecule (or quantum dot) embedded in a tunnel junction. Assuming that the coupling of the molecule to the contacts is asymmetric, we…

介观与纳米尺度物理 · 物理学 2023-02-22 Anand Manaparambil , Ireneusz Weymann

We study the Coulomb blockade of tunneling through a double quantum dot. The temperature dependence of the linear conductance is strongly affected by the inter-dot tunneling. As the tunneling grows, a crossover from temperature-independent…

凝聚态物理 · 物理学 2009-10-28 K. A. Matveev , L. I. Glazman , H. U. Baranger