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Abstract:

We study all the possible different two-terminal configurations of Josephson junctions containing wires of time-reversal-invariant topological superconductors and ordinary superconductors, including combinations with an interacting quantum dot between both wires in the junction. We introduce simple effective Hamiltonians which explain the different qualitative behaviors obtained. We analyze a wide range of phenomena, including occurrence and quenching of the so-called 0-π transition, anomalous periodicity, and jumps of the Josephson current as a function of the phase difference, and finite Josephson current in the absence of magnetic flux. © 2019 American Physical Society.

Registro:

Documento: Artículo
Título:Catalog of Andreev spectra and Josephson effects in structures with time-reversal-invariant topological superconductor wires
Autor:Arrachea, L.; Camjayi, A.; Aligia, A.A.; Gruñeiro, L.
Filiación:International Center for Advanced Studies, Escuela de Ciencia y Tecnología, Universidad Nacional de San Martín-UNSAM, Av 25 de Mayo y Francia, Buenos Aires, 1650, Argentina
Departamento de Física, FCEyN, Universidad de Buenos Aires and IFIBA, Pabellón I, Ciudad Universitaria, Caba, 1428, Argentina
Centro Atómico Bariloche and Instituto Balseiro, CNEA, CONICET, S. C. de Bariloche, 8400, Argentina
Palabras clave:Semiconductor quantum dots; Superconducting materials; Topology; Wire; Effective Hamiltonian; Josephson; Josephson current; Josephson effect; Phase difference; Qualitative behavior; Time reversal; Two terminals; Josephson junction devices
Año:2019
Volumen:99
Número:8
DOI: http://dx.doi.org/10.1103/PhysRevB.99.085431
Título revista:Physical Review B
Título revista abreviado:Phys. Rev. B
ISSN:24699950
Registro:http://digital.bl.fcen.uba.ar/collection/paper/document/paper_24699950_v99_n8_p_Arrachea

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Citas:

---------- APA ----------
Arrachea, L., Camjayi, A., Aligia, A.A. & Gruñeiro, L. (2019) . Catalog of Andreev spectra and Josephson effects in structures with time-reversal-invariant topological superconductor wires. Physical Review B, 99(8).
http://dx.doi.org/10.1103/PhysRevB.99.085431
---------- CHICAGO ----------
Arrachea, L., Camjayi, A., Aligia, A.A., Gruñeiro, L. "Catalog of Andreev spectra and Josephson effects in structures with time-reversal-invariant topological superconductor wires" . Physical Review B 99, no. 8 (2019).
http://dx.doi.org/10.1103/PhysRevB.99.085431
---------- MLA ----------
Arrachea, L., Camjayi, A., Aligia, A.A., Gruñeiro, L. "Catalog of Andreev spectra and Josephson effects in structures with time-reversal-invariant topological superconductor wires" . Physical Review B, vol. 99, no. 8, 2019.
http://dx.doi.org/10.1103/PhysRevB.99.085431
---------- VANCOUVER ----------
Arrachea, L., Camjayi, A., Aligia, A.A., Gruñeiro, L. Catalog of Andreev spectra and Josephson effects in structures with time-reversal-invariant topological superconductor wires. Phys. Rev. B. 2019;99(8).
http://dx.doi.org/10.1103/PhysRevB.99.085431