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Title: Pseudo Jahn-Teller mechanism for symmetry-breaking phase transitions in vortex molecules
Authors: Chibotaru, Liviu ×
Teniers, Gerd
Ceulemans, Arnout
Moshchalkov, Victor #
Issue Date: 13-Sep-2004
Publisher: Published by the American Physical Society through the American Institute of Physics
Series Title: Physical Review B, Condensed matter and materials physics vol:70 issue:9
Article number: 094505
Abstract: The phase transitions from a symmetric superconducting order parameter to a different or broken symmetry phase are investigated for thin mesoscopic superconductors well below the nucleation temperature. By using an effective two-state model the mechanism of these transitions has been revealed and four distinct types of transitions have been found. The symmetry-breaking phase transition has the same structure as the pseudo Jahn-Teller instability of high symmetry nuclear configurations in molecules. This analogy provides an interesting connection between real and vortex molecules. The existence of broken-symmetry phases is predicted to be strongly dependent on the size of the samples.
URI: 
ISSN: 1098-0121
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Quantum Chemistry and Physical Chemistry Section
Occupational, Environmental and Insurance Medicine (-)
× corresponding author
# (joint) last author

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