English
Related papers

Related papers: Subtle leakage of a Majorana mode into a quantum d…

200 papers

We study a hybrid structure, comprising the single-level quantum dot attached to the topological superconducting nanowire, inspecting dynamical transfer of the Majorana quasiparticle onto normal region. Motivated by the recent experimental…

Mesoscale and Nanoscale Physics · Physics 2021-06-16 J. Baranski , M. Baranska , T. Zienkiewicz , R. Taranko , T. Domanski

In this work, we consider a single-level quantum dot (QD) and a Majorana bound state (MBS) placed at the end of a topological superconducting nanowire (TSW). Both are coupled to the continuum and do not have a direct connection between…

Mesoscale and Nanoscale Physics · Physics 2020-03-11 J. P. Ramos-Andrade , P. A. Orellana , E. Vernek

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…

Mesoscale and Nanoscale Physics · Physics 2022-02-21 Piotr Majek , Ireneusz Weymann

Electron transport through the T-shaped quantum-dot (QD) structure is theoretically investigated, by considering a Majorana zero mode coupled to the terminal QD. It is found that in the double-QD case, the presence of the Majorana zero mode…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Wei-Jiang Gong , Shu-Feng Zhang , Zhi-Chao Li , Guangyu Yi , Yi-Song Zheng

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…

Mesoscale and Nanoscale Physics · Physics 2017-01-02 J. Baranski , A. Kobialka , T. Domanski

In this paper, we investigate the transport properties of spinful electrons tunnel-coupled to a finite-length Majorana nanowire on one end which is further tunnel-coupled to a quantum dot (QD) at the other end. Using a full counting…

Mesoscale and Nanoscale Physics · Physics 2020-08-12 Alexander Schuray , Manuel Rammler , Patrik Recher

Robust zero bias transport anomalies in semiconducting nanowires with proximity-induced superconductivity have been convincingly demonstrated in various experiments. While these are compatible with the existence of Majorana zero modes at…

Mesoscale and Nanoscale Physics · Physics 2017-08-15 Elsa Prada , Ramón Aguado , Pablo San-Jose

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…

Mesoscale and Nanoscale Physics · Physics 2025-10-21 Jan Barański , Magdalena Barańska , Tomasz Zienkiewicz , Tadeusz Domański

We theoretically investigate a topological Kitaev chain connected to a double quantum-dot (QD) setup hybridized with metallic leads. In this system we observe the emergence of two striking phenomena: (i) a decrypted Majorana fermion (MF)…

Mesoscale and Nanoscale Physics · Physics 2017-07-19 L. H. Guessi , F. A. Dessotti , Y. Marques , L. S. Ricco , G. M. Pereira , P. Menegasso , M. de Souza , A. C. Seridonio

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…

Mesoscale and Nanoscale Physics · Physics 2022-02-21 Piotr Majek , Krzysztof P. Wójcik , Ireneusz Weymann

We investigate the transport properties through a nanostructure composed of parallel double quantum dots coupled to two normal contacts. Additionally, each quantum dot is connected to a topological superconducting nanowire, hosting Majorana…

Mesoscale and Nanoscale Physics · Physics 2023-03-01 A. P. Garrido , D. Zambrano , J. P. Ramos-Andrade , P. A. Orellana

We describe experimental signatures of Majorana fermion edge states, which form at the interface between a superconductor and the surface of a topological insulator. If a lead couples to the Majorana fermions through electron tunneling, the…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 K. T. Law , Patrick A. Lee , T. K. Ng

We investigate experimentally an exotic state of electronic matter obtained by fine-tuning to a quantum critical point (QCP), realized in a spin-polarized resonant level coupled to strongly dissipative electrodes. Several transport scaling…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 H. T. Mebrahtu , I. V. Borzenets , H. Zheng , Y. V. Bomze , A. I. Smirnov , S. Florens , H. U. Baranger , G. Finkelstein

We present measurements on the Kondo-effect in a small quantum dot connected strongly to one lead and weakly to the other. The conductance of the dot reveals an offset of the Kondo resonance at zero magnetic field. While the resonance…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 F. Simmel , R. H. Blick , J. P. Kotthaus , W. Wegscheider , M. Bichler

The quantum evolution after a metallic lead is suddenly connected to an electron system contains information about the excitation spectrum of the combined system. We exploit this type of "quantum quench" to probe the presence of Majorana…

Mesoscale and Nanoscale Physics · Physics 2014-10-16 R. Vasseur , J. P. Dahlhaus , J. E. Moore

We explore theoretically the influence of Fano interference in the so-called Majorana oscillations in a T-shaped hybrid setup formed by a quantum dot (QD) placed between conducting leads and side-coupled to a topological superconducting…

Mesoscale and Nanoscale Physics · Physics 2018-10-02 L. S. Ricco , V. L. Campo , I. A. Shelykh , A. C. Seridonio

We explore the tunneling transport properties of a quantum dot embedded in an optical microcavity and coupled to a semiconductor-superconductor one-dimensional nanowire (Majorana nanowire) hosting Majorana zero modes (MZMs) at their edges.…

Mesoscale and Nanoscale Physics · Physics 2022-02-09 L. S. Ricco , V. K. Kozin , A. C. Seridonio , I. A. Shelykh

We propose to measure the differential conductance $G$ as a function of the bias $V$ for a quantum dot side-coupled to a topological superconductor to detect the existence of the chiral Majorana edge states. It turns out that $G$ for the…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Yu-Li Lee

The non-Abelian statistics of Majorana fermions, their role in topological quantum computation, and the possibility of realizing them in condensed matter systems, has attracted considerable attention. While there have been recent reports of…

Strongly Correlated Electrons · Physics 2016-02-24 David Nozadze , Nandini Trivedi

Motivated by recent experiments we consider transport across an interacting magnetic impurity coupled to the Majorana zero mode (MZM) observed at the boundary of a topological superconductor (SC). In the presence of a finite tunneling…

Mesoscale and Nanoscale Physics · Physics 2022-03-11 Daniele Guerci , Andrea Nava