Phase solitons in a weakly coupled three-component superconductor

Based on the phenomenological Ginzburg-Landau approach, we investigate phase solitonic states in a class of three-component superconductors for mesoscopic doubly connected geometry (thin-walled cylinder) in external magnetic fields. Analysis of the Gibbs free energy of the system shows that solitoni...

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Bibliographic Details
Published in:Physical review. B 2021-07, Vol.104 (1), p.1, Article 014518
Main Authors: Yerin, Yuriy, Drechsler, Stefan-Ludwig
Format: Article
Language:English
Subjects:
Gibbs free energy
Solitary waves
Superconductors
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Summary:Based on the phenomenological Ginzburg-Landau approach, we investigate phase solitonic states in a class of three-component superconductors for mesoscopic doubly connected geometry (thin-walled cylinder) in external magnetic fields. Analysis of the Gibbs free energy of the system shows that solitonic states in a three-component superconductor are thermodynamically metastable and separated from the ground state by a sizable energy. Our results demonstrate that despite the presence of a zoo of phase solitons states the earlier proposed method [Phys. Rev. B 96, 144513 (2017)] for the detection of BTRS (broken time-reversal symmetry) in multiband superconductors remains valid and useful.
ISSN:2469-9950
2469-9969
DOI:10.1103/PhysRevB.104.014518