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Spectral characteristics of the coherent dynamics of the order parameter in superconducting nanorods

Title data

Kettmann, P. ; Hannibal, S. ; Croitoru, Mikhail D. ; Vagov, Alexei ; Axt, Vollrath Martin ; Kuhn, Tilmann:
Spectral characteristics of the coherent dynamics of the order parameter in superconducting nanorods.
In: Physica C: Superconductivity and its Applications. Vol. 533 (2017) . - pp. 133-136.
ISSN 0921-4534
DOI: https://doi.org/10.1016/j.physc.2016.06.005

Project information

Project financing: Supported by the project CNPq

Abstract in another language

Within the density-matrix formalism based on the Bogoliubov-de Gennes equations approach we investigate the dynamics of the non-equilibrium BCS pairing induced by a sudden change of the coupling constant in quasi-1D and quasi-0D samples. We demonstrate that two different dynamical regimes of the amplitude of the BCS gap can be distinguished: an initially damped oscillation in the case of short quantum wires and purely irregular dynamics in the case of nanorods.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Quantum dynamics; Superconductivity; Degenerate Fermi gases; Quantum confinement; Nanowires
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III > Chair Theoretical Physics III - Univ.-Prof. Dr. Martin Axt
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 06 Nov 2017 12:35
Last Modified: 09 Mar 2022 11:12
URI: https://eref.uni-bayreuth.de/id/eprint/40299