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Charge transport through a small topological superconducting island in contact with a normal and a superconducting electrode occurs through a cycle that involves coherent oscillations of Cooper pairs and tunneling in/out the normal…

Mesoscale and Nanoscale Physics · Physics 2013-07-25 Nicolas Didier , Marco Gibertini , Ali G. Moghaddam , Jürgen König , Rosario Fazio

We analyze charge tunneling statistics and current noise in a superconducting single-electron transistor in a regime where the Josephson-quasiparticle cycle is the dominant mechanism of transport. Due to the interplay between Coulomb…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Mahn-Soo Choi , Francesco Plastina , Rosario Fazio

We study analytically the full counting statistics of charge transport through single molecules, strongly coupled to a weakly damped vibrational mode. The specifics of transport in this regime - a hierarchical sequence of avalanches of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jens Koch , M. E. Raikh , Felix von Oppen

We have studied charge transport in a one-dimensional chain of small Josephson junctions using a single-electron transistor. We observe a crossover from time-correlated tunneling of single electrons to that of Cooper pairs as a function of…

Superconductivity · Physics 2007-11-07 J. Bylander , T. Duty , G. Johansson , P. Delsing

We derive the full counting statistics of charge transfer through a voltage biased superconducting junction. We find that for measurement times much longer than the inverse Josephson frequency, the counting statistics describes a correlated…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 Göran Johansson , Peter Samuelsson , Åke Ingerman

We analyse the full counting statistics of charge transfer through a Majorana bound state coupled to an STM tip and show how they can be used for an unambiguous identification of the bound state at the end of the wire. Additionally, we show…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 H. Soller , A. Komnik

We investigate electron transport through multiterminal networks hosting Majorana bound states (MBS) in the framework of full counting statistics (FCS). In particular, we apply our general results to T-shaped junctions of two Majorana…

Mesoscale and Nanoscale Physics · Physics 2014-11-26 Luzie Weithofer , Patrik Recher , Thomas L. Schmidt

We study transport through a Coulomb blockaded topologically nontrivial superconducting wire (with Majorana end states) contacted by metallic leads. An exact formula for the current through this interacting Majorana single-charge transistor…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 R. Hützen , A. Zazunov , B. Braunecker , A. Levy Yeyati , R. Egger

We present a theory of full counting statistics for electron transport through interacting electron systems with non-Markovian dynamics. We illustrate our approach for transport through a single-level quantum dot and a metallic…

Strongly Correlated Electrons · Physics 2007-05-23 Alessandro Braggio , Jürgen König , Rosario Fazio

Josephson junctions operated in the dynamical Coulomb blockade regime recently gained an significant amount of attention as central building block in concepts to demonstrate the non-Abelian character of Majorana fermions. Its physical…

Mesoscale and Nanoscale Physics · Physics 2017-12-21 Berthold Jäck , Jacob Senkpiel , Markus Etzkorn , Joachim Ankerhold , Christian R. Ast , Klaus Kern

Electron counting of a single porphyrin molecule between two electrodes shows a crossover from sub- to super-Poissonian statistics as the bias voltage is scanned. This is attributed to the simultaneous activation of states with electron…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Sven Welack , Jeremy B. Maddox , Massimiliano Esposito , Upendra Harbola , Shaul Mukamel

We study theoretically the full counting statistics of electron transport through side-coupled double quantum dot (QD) based on an efficient particle-number-resolved master equation. It is demonstrated that the high-order cumulants of…

Mesoscale and Nanoscale Physics · Physics 2013-10-02 Hai-Bin Xue

Majorana bound states are putative collective excitations in solids that exhibit the self-conjugate property of Majorana fermions - they are their own antiparticles. In iron-based superconductors, zero-energy states in vortices have been…

We construct a semiclassical theory for the transport of topological junctions starting from a microscopic Hamiltonian that comprehensively includes the interplay among the Majorana qubit, the Josephson phase, and the dissipation process.…

Superconductivity · Physics 2022-12-28 Zhi Wang , Jia-Jin Feng , Zhao Huang , Qian Niu

We study transport properties of a quantum dot coupled to a Majorana zero mode and two normal leads. We investigate the full counting statistics of charge tunneling events which allows one to extract complete information about current…

Mesoscale and Nanoscale Physics · Physics 2015-11-25 Dong E. Liu , Alex Levchenko , Roman M. Lutchyn

We have investigated charge transport in ultrasmall superconducting single and double Josephson junctions coupled to resonant modes of the electromagnetic environment. We observe pronounced current peaks in the transport characteristics of…

Superconductivity · Physics 2011-02-03 Yu. A. Pashkin , H. Im , J. Leppäkangas , T. F. Li , O. Astafiev , A. A. Abdumalikov , E. Thuneberg , J. S. Tsai

We study a topological superconductor island with spatially separated Majorana modes coupled to multiple normal metal leads by single electron tunneling in the Coulomb blockade regime. We show that low-temperature transport in such Majorana…

Mesoscale and Nanoscale Physics · Physics 2017-11-08 Karen Michaeli , L. Aviad Landau , Eran Sela , Liang Fu

Demonstration of non-Abelian anyon statistics often requires dynamical controls of a complicated device that are challenging in realistic situations. We propose a {\it single} Josephson junction to detect a non-Abelian statistics effect of…

Mesoscale and Nanoscale Physics · Physics 2019-09-02 Sang-Jun Choi , H. -S. Sim

We consider Josephson junctions on surfaces of three dimensional topological insulator nanowires. We find that in the presence of a parallel magnetic field, short junctions on nanowires show signatures of a perfectly transmitted mode…

Mesoscale and Nanoscale Physics · Physics 2014-05-12 Roni Ilan , Jens H. Bardarson , H. -S. Sim , Joel E. Moore

The study of non-Abelian Majorana zero modes advances our understanding of the fundamental physics in quantum matter, and pushes the potential applications of such exotic states to topological quantum computation. It has been shown that in…

Mesoscale and Nanoscale Physics · Physics 2014-05-02 Xiong-Jun Liu , Chris L. M. Wong , K. T. Law
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