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Related papers: Conductance of a Finite Kitaev Chain

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We present exact analytical results for the differential conductance of a finite Kitaev chain in an N-S-N configuration, where the topological superconductor is contacted on both sides with normal leads. Our results are obtained with the…

Mesoscale and Nanoscale Physics · Physics 2021-05-05 Nico Leumer , Magdalena Marganska , Bhaskaran Muralidharan , Milena Grifoni

We consider electron transport in a model of a spinless superconductor described by a Kitaev type lattice Hamiltonian where the electron interactions are modelled through a superconducting pairing term. The superconductor is sandwiched…

Superconductivity · Physics 2021-01-04 Junaid Majeed Bhat , Abhishek Dhar

We compute the disorder averaged dc conductance in the non-equilibrium steady state that sets in between a longer-range Kitaev chain and a metallic lead connected to an external reservoir, as a function of the system parameters and of the…

Strongly Correlated Electrons · Physics 2026-01-28 Emmanuele G. Cinnirella , Andrea Nava , Domenico Giuliano

In this project, we study the properties of a non-trivial topological system which exhibits localized edge states. In our study, we adress the Kitaev chain, a one-dimensional chain of atoms deposited on top of a p-wave superconductor that…

Strongly Correlated Electrons · Physics 2017-07-28 Rui Carlos Andrade Martins , Anselmo Miguel Magalhães Marques , Ricardo Assis Guimarães Dias

We investigate the robustness of topological phases in a Kitaev ladder composed of two coupled superconducting chains under the perturbing influence of a finite charge current. By introducing an effective Hamiltonian depending on the…

Superconductivity · Physics 2026-05-22 Alfonso Maiellaro

Kitaev chain is a theoretical model of a one-dimensional topological superconductor with Majorana zero modes at the two ends of the chain. With the goal of emulating this model, we build a chain of three quantum dots in a semiconductor…

Mesoscale and Nanoscale Physics · Physics 2021-09-02 Hao Wu , Po Zhang , John P. T. Stenger , Zhaoen Su , Jun Chen , Ghada Badawy , Sasa Gazibegovic , Erik P. A. M. Bakkers , Sergey M. Frolov

We study the transport through the Kitaev's chain with incommensurate potentials coupled to two normal leads by the numerical operator method. We find a quantized linear conductance of $e^2/h$, which is independent to the disorder strength…

Mesoscale and Nanoscale Physics · Physics 2014-08-25 Pei Wang , Shu Chen , Gao Xianlong

We study the static and dynamical properties of a long-range Kitaev chain, i.e., a $p$-wave superconducting chain in which the superconducting pairing decays algebraically as $1/l^{\alpha}$, where $l$ is the distance between the two sites…

Mesoscale and Nanoscale Physics · Physics 2019-05-22 Utso Bhattacharya , Somnath Maity , Amit Dutta , Diptiman Sen

We study the current driven by an applied voltage as a function of time through the Sachdev-Ye-Kitaev model when coupled to two normal or superconducting reservoirs. For normal leads, in the strong coupling limit and for small bias, the…

Strongly Correlated Electrons · Physics 2023-10-10 Gianluca Francica , Marco Uguccioni , Luca Dell'Anna

Artificial Kitaev chains engineered from semiconducting quantum dots coupled by superconducting segments offer a promising route to realize and control Majorana bound states for topological quantum computation. We study a dimerized Kitaev…

Materials Science · Physics 2025-09-15 Rafael Pineda Medina , Pablo Burset , William J. Herrera

We study electrical, thermal and thermoelectric transport in a hybrid device consisting of a long-range Kitaev chain coupled to two metallic leads at two ends. Electrical and thermal currents are calculated in this device under both voltage…

Mesoscale and Nanoscale Physics · Physics 2025-05-23 Averi Banerjee , Syeda Rafisa Rahaman , Nilanjan Bondyopadhaya

We investigate the topological phases in a coupled one-dimensional p-wave superconducting Fibonacci quasicrystal modeled by the quasiperiodic Kitaev chain. Recent studies have shown that the coupled system can host topological edge modes…

Superconductivity · Physics 2026-05-07 Koki Mizuno

We study the effective low-energy fermionic theory of the Kondo-Kitaev model to leading order in the Kondo coupling. Our main goal is to understand the nature of the superconducting instability induced in the proximate metal due to its…

Superconductivity · Physics 2024-05-07 Sondre Duna Lundemo , Asle Sudbø

We study a one-dimensional topological superconductor, the Kitaev chain, under the influence of a non-Hermitian but $\mathcal{PT}$-symmetric potential. This potential introduces gain and loss in the system in equal parts. We show that the…

Mesoscale and Nanoscale Physics · Physics 2017-05-17 Henri Menke , Moritz M. Hirschmann

We calculate the charge susceptibility and the linear and differential conductances of a double quantum dot coupled to two metallic reservoirs both at equilibrium and when the system is driven away from equilibrium. This work is motivated…

Mesoscale and Nanoscale Physics · Physics 2018-10-16 V. Talbo , M. Lavagna , T. Q. Duong , A. Crépieux

The possibility to engineer a Kitaev chain in quantum dots coupled via superconductors has recently emerged as a promising path toward topological superconductivity and possibly nonabelian physics. Here, we show that it is possible to avoid…

Mesoscale and Nanoscale Physics · Physics 2024-01-17 William Samuelson , Viktor Svensson , Martin Leijnse

We study the transport properties of a quantum dot contacted to two superconducting reservoirs by means of the Keldysh field theory approach, showing how this technique allows us to straightforwardly recover previous results, resulting…

Mesoscale and Nanoscale Physics · Physics 2025-09-05 Marco Uguccioni , Luca Dell'Anna

We investigate possible topological superconductivity in the Kondo-Kitaev model on the honeycomb lattice, where the Kitaev spin liquid is coupled to conduction electrons via the Kondo coupling. We use the self-consistent Abrikosov-fermion…

Strongly Correlated Electrons · Physics 2021-10-11 Wonjune Choi , Philipp W. Klein , Achim Rosch , Yong Baek Kim

Nonlocal currents, in devices where two normal metal terminals are contacted to a superconductor, are determined using the circuit theory of mesoscopic superconductivity. We calculate the conductance associated with crossed Andreev…

Mesoscale and Nanoscale Physics · Physics 2007-09-26 Jan Petter Morten , Arne Brataas , Wolfgang Belzig

We consider electron transport in a Kitaev chain connected at its two ends to normal metallic leads kept at different temperatures and chemical potentials. Transport in this set-up is usually studied using two frameworks -- the…

Superconductivity · Physics 2021-01-19 Junaid Majeed Bhat , Abhishek Dhar
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