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Universal flux patterns and their interchange in superconductors between types I and II

Title data

Vagov, Alexei ; Wolf, S. ; Croitoru, M. D. ; Shanenko, A. A.:
Universal flux patterns and their interchange in superconductors between types I and II.
In: Communications Physics. Vol. 3 (December 2020) Issue 1 . - No. 58.
ISSN 2399-3650
DOI: https://doi.org/10.1038/s42005-020-0322-6

Official URL: Volltext

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Abstract in another language

Experiments with the crossover superconductors between standard types I and II revealed exotic magnetic flux patterns where Meissner domains coexist with islands of the vortex lattice as well as with vortex clusters and chains. Until now a comprehensive theory for such configurations has not been presented. We solve this old-standing fundamental problem by developing an approach which combines the perturbation expansion of the microscopic theory with statistical simulations and which requires no prior assumption on the vortex distribution. Our study offers the most complete picture of the interchange of the superconductivity types available so far. The mixed state in this regime reveals a rich manifold of exotic configurations, which reproduce available experimental results. Our work introduces a pattern formation mechanism that originates from the self-duality of the theory that is universal and not sensitive to the microscopic details.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Nonlinear phenomena; Quantum fluids and solids; Superconducting properties and materials
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 17 Feb 2021 10:33
Last Modified: 22 Apr 2021 08:30
URI: https://eref.uni-bayreuth.de/id/eprint/63068