Title: Coexistence of the Meissner and vortex states on a nanoscale superconducting spherical shell
Authors: Tempere, Jacques ×
Gladilin, V
Silvera, I. F
Devreese, J. T
Moshchalkov, Victor #
Issue Date: 17-Apr-2009
Publisher: Amer physical soc
Series Title: Physical review b vol:79 issue:13 pages:1-5
Article number: 134516
Abstract: We show that on superconducting spherical nanoshells, the coexistence of the Meissner state with a variety of vortex patterns drives the phase transition to higher magnetic fields. The spherical geometry leads to a Magnus-Lorentz force pushing the nucleating vortices and antivortices toward the poles, overcoming local pinning centers, preventing vortex-antivortex recombination, and leading to the appearance of a Meissner belt around the sphere equator. In sufficiently small and thin spherical shells paramagnetic vortex states can be stable, enabling spatial separation of freely moving shells with different radii and vorticity in an inhomogeneous external magnetic field.
ISSN: 1098-0121
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Faculty of Science - miscellaneous
× corresponding author
# (joint) last author

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