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The transport behavior of a double quantum dot side-attached to a topological superconducting wire hosting Majorana zero-energy modes is studied theoretically in the strong correlation regime. It is shown that Majorana modes can leak to the…

强关联电子 · 物理学 2020-06-03 Ireneusz Weymann , Krzysztof P. Wójcik , Piotr Majek

We investigate the spectral and transport properties of a double quantum dot laterally attached to a topological superconducting nanowire, hosting the Majorana zero-energy modes. Specifically, we consider a geometry, in which the outer…

介观与纳米尺度物理 · 物理学 2022-02-21 Piotr Majek , Grzegorz Górski , Tadeusz Domański , Ireneusz Weymann

We study the low energy spectrum of a correlated quantum dot embedded between the normal conducting and superconducting reservoirs and hybridized with the topological superconducting nanowire, hosting the Majorana end-modes. We investigate…

强关联电子 · 物理学 2018-10-25 G. Gorski , J. Baranski , I. Weymann , T. Domanski

We have recently shown [Phys. Rev. B {\bf 89}, 165314 (2014)] that a non--interacting quantum dot coupled to a one--dimensional topological superconductor and to normal leads can sustain a Majorana mode even when the dot is expected to be…

介观与纳米尺度物理 · 物理学 2015-04-03 David A. Ruiz-Tijerina , E. Vernek , Luis G. G. V. Dias da Silva , J. C. Egues

We investigate quantum transport through a quantum dot connected to source and drain leads and side-coupled to a topological superconducting nanowire (Kitaev chain) sustaining Majorana end modes. Using a recursive Green's function approach,…

介观与纳米尺度物理 · 物理学 2014-05-06 E. Vernek , P. H. Penteado , A. C. Seridonio , J. C. Egues

A tunneling junction between normal electrode and a topological superconducting wire, mediated by a quantum dot, is considered theoretically. We show that the presence of the dot in the junction can be advantageous to Majorana zero modes…

介观与纳米尺度物理 · 物理学 2023-09-06 Piotr Stefański

In this work we investigate the spin-dependent transport through a double quantum dot embedded in a ferromagnetic tunnel junction and side attached to a topological superconducting nanowire hosting Majorana zero-energy modes. We focus on…

介观与纳米尺度物理 · 物理学 2024-02-22 Piotr Majek , Ireneusz Weymann

We study the properties of a quantum dot coupled to a one-dimensional topological superconductor and a normal lead and discuss the interplay between Kondo and Majorana-induced couplings in quantum dot. The latter appears due to the presence…

介观与纳米尺度物理 · 物理学 2014-09-24 Meng Cheng , Michael Becker , Bela Bauer , Roman M. Lutchyn

We investigate theoretically the thermoelectric transport properties of a T-shaped double quantum dot side-coupled to a topological superconducting nanowire hosting Majorana zero-energy modes. The calculations are performed using the…

介观与纳米尺度物理 · 物理学 2022-02-21 Piotr Majek , Krzysztof P. Wójcik , Ireneusz Weymann

We study quasiparticle spectrum of the correlated quantum dot deposited on superconducting substrate which is side-coupled to the Rashba nanochain, hosting Majorana end modes. Ground state of an isolated quantum dot proximitized to…

介观与纳米尺度物理 · 物理学 2020-12-08 Tomasz Zienkiewicz , Jan Barański , Grzegorz Górski , Tadeusz Domański

We examine the transport properties of a double quantum dot system coupled to a topological superconducting nanowire hosting Majorana quasiparticles at its ends, with the central quantum dot attached to the left and right leads. We focus on…

介观与纳米尺度物理 · 物理学 2022-02-21 Piotr Majek , Ireneusz Weymann

In this article, we study the quantum transport through a single-level quantum-dot in Kondo regime, coupled to current leads and embedded between two one-dimensional topological superconductors, each hosting Majorana zero modes at their…

介观与纳米尺度物理 · 物理学 2022-05-24 G. A. Lara , J. P. Ramos-Andrade , D. Zambrano , P. A. Orellana

We consider a model of a Josephson junction of two topological superconducting wires mediated by an interacting quantum dot. An additional normal electrode coupled to the dot from the top allows to probe its density of states. The Majorana…

介观与纳米尺度物理 · 物理学 2019-03-07 Piotr Stefański

We perform a theoretical analysis of the fate of local magnetic moment of a quantum dot coupled to a normal metallic lead and a topological superconducting wire hosting Majorana modes at the ends. By means of simple analytical tools and…

介观与纳米尺度物理 · 物理学 2023-04-04 Krzysztof P. Wójcik , Piotr Majek

It is shown that the presence of the Majorana fermion edge states along the perimeter of a topological superconductor can be probed using an interacting quantum dot coupled to three terminals: two spin-polarized (ferromagnetic) leads and…

强关联电子 · 物理学 2011-11-15 Rok Zitko

We propose an experimental setup for detecting a Majorana zero mode consisting of a spinless quantum dot coupled to the end of a p-wave superconducting nanowire. The Majorana bound state at the end of the wire strongly influences the…

介观与纳米尺度物理 · 物理学 2011-11-22 Dong E. Liu , Harold U. Baranger

We investigate the subgap spectrum and transport properties of the quantum dot placed on interface between metallic and superconducting leads and additionally side-coupled to the edge of topological superconducting (TS) chain, hosting the…

介观与纳米尺度物理 · 物理学 2017-01-02 J. Baranski , A. Kobialka , T. Domanski

We study the quasiparticle spectrum of a hybrid system, comprising a correlated (Anderson-type) quantum dot coupled to a topological superconducting nanowire hosting the Majorana boundarymodes. From the exact solution of the low-energy…

介观与纳米尺度物理 · 物理学 2025-10-21 Jan Barański , Magdalena Barańska , Tomasz Zienkiewicz , Tadeusz Domański

We investigate the effects of Majorana bound states on the ac response of a quantum resistor-capacitor circuit which is composed of a topological superconducting wire whose two ends are tunnel-coupled to a lead and a spinless quantum dot,…

介观与纳米尺度物理 · 物理学 2020-11-10 Minchul Lee

We investigate the topological phase diagram of {an extension of the Haldane model with equal spin pairing superconductivity}. In two dimensions, we find a topological nodal superconducting phase, which exhibits a chiral Majorana mode…

介观与纳米尺度物理 · 物理学 2026-04-21 Simone Traverso , Niccolò Traverso Ziani , Maura Sassetti , Fernando Dominguez
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