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We have theoretically investigated the transport properties of a ring-shaped array of small tunnel junctions, which is weakly coupled to the drain electrode. We have found that the long range interaction together with the semi-isolation of…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Mincheol Shin , Seongjae Lee , Kyoung Wan Park , El-Hang Lee

We report measurements on single-electron pumps, consisting of two metallic islands formed by three tunnel junctions in series. We focus on the linear-response conductance as a function of gate voltage and temperature of three samples with…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Limbach , P. vom Stein , C. Wallisser , R. Schaefer

We study electronic transport through metallic multi-island Coulomb-blockade systems. Based on a diagrammatic real-time approach, we develop a computer algorithm that generates and calculates all transport contributions up to second order…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Björn Kubala , Göran Johansson , Jürgen König

We have used modern supercomputer facilities to carry out extensive numerical simulations of statistical properties of 1D and 2D arrays of single-electron islands with random background charges, in the limit of small island…

Disordered Systems and Neural Networks · Physics 2009-11-10 Daniel M. Kaplan , Victor A. Sverdlov , Konstantin K. Likharev

The charge localization of single electrons on mesoscopic metallic islands leads to a suppression of the electrical current, known as the Coulomb blockade. When this correction is small, it enables primary electron thermometry, as it was…

Mesoscale and Nanoscale Physics · Physics 2021-07-23 Nikolai Yurttagül , Matthew Sarsby , Attila Geresdi

The non-linear current-voltage characteristic of a tunnel junction between two Luttinger systems is calculated for an interaction with finite range. Coulomb blockade features are found. The dissipative resistance, the capacitance and the…

Mesoscale and Nanoscale Physics · Physics 2008-02-03 Maura Sassetti , Gianaurelio Cuniberti , Bernhard Kramer

The description of transport phenomena in devices consisting of arrays of tunnel junctions, and the experimental confirmation of these predictions is one of the great successes of mesoscopic physics. The aim of this paper is to give a…

Mesoscale and Nanoscale Physics · Physics 2011-12-16 T. Kuhn , G. S. Paraoanu

We find that if two superconducting islands of different number parity are linked by a tunnel junction the unpaired electron in the odd island has a tendency to tunnel into the even island. This process leads to fluctuations in time of the…

Condensed Matter · Physics 2009-10-28 Boldizsar Janko , Vinay Ambegaokar

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…

Condensed Matter · Physics 2009-10-28 K. A. Matveev , L. I. Glazman , H. U. Baranger

We investigate transport in weakly-coupled metal nanoparticle arrays, focusing on the regime where tunneling is competing with strong single electron charging effects. This competition gives rise to an interplay between two types of charge…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 T. B. Tran , I. S. Beloborodov , Jingshi Hu , X. M. Lin , T. F. Rosenbaum , H. M. Jaeger

Properties of one-dimensional (1D) arrays of low Ohmic tunnel junctions (i.e. junctions with resistances comparable to, or less than, the quantum resistance $R_{\rm q}\equiv h/e^2\approx 25.8$ k$\Omega$) have been studied experimentally and…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Sh. Farhangfar , R. S. Poikolainen , J. P. Pekola , D. S. Golubev , A. D. Zaikin

Coulomb blockade phenomena and quantum fluctuations are studied in mesoscopic metallic tunnel junctions with high charging energies. If the resistance of the barriers is large compared to the quantum resistance, transport can be described…

Condensed Matter · Physics 2009-10-22 Herbert Schoeller , Gerd Schoen

It is shown that the voltage dependence of the tunneling conductance between two lightly doped semiconductors, which are separated by an large area tunneling barrier, can reveal the high energy part of the Coulomb gap if the barrier is…

Condensed Matter · Physics 2015-06-24 A. I. Larkin , B. I. Shklovskii

A general expression is given for the change in free energy when a charge tunnels through a junction in a one-dimensional array of N metallic islands with arbitrary capacitances and arbitrary background charges. This is used to obtain…

Mesoscale and Nanoscale Physics · Physics 2009-10-28 J. A. Melsen , Ulrik Hanke , H. -O. Müller , K. -A. Chao

We study the thermoelectric transport of a small metallic island weakly coupled to two electrodes by tunnel junctions. In the Coulomb blockade regime, in the case when the ground state of the system corresponds to an even number of…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 A. S. Vasenko , D. M. Basko , F. W. J. Hekking

We theoretically investigate resonant tunneling through a linear array of quantum dots with subsequent tunnel coupling. We consider two limiting cases: (i) strong Coulomb blockade, where only one extra electron can be present in the array…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 M. R. Wegewijs , Yu. V. Nazarov

The tunneling through a ferromagnet/normal metal/ferromagnet double junction in the Coulomb blockade regime is studied, assuming that the spin relaxation time of electron in the central metallic island is sufficiently large. Using the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 H. Giang Bach , V. Hung Nguyen , T. Anh Pham

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

The influence of quantum fluctuations on electron transport through small metallic islands with Coulomb blockade effects is studied beyond the perturbative regime. In tunnel junctions with low resistance higher order coherent processes and…

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

We present a theory of Coulomb blockade oscillations in tunneling through a pair of quantum dots connected by a tunable tunneling junction. The positions and amplitudes of peaks in the linear conductance are directly related, respectively,…

Condensed Matter · Physics 2009-10-28 K. A. Matveev , L. I. Glazman , H. U. Baranger
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