paper

Emergent phenomena in multicomponent superconductivity: an introduction to the focus issue

arXiv:1504.06995 · doi:10.1088/0953-2048/28/6/060201

Abstract

Multicomponent superconductivity is a novel quantum phenomenon in many different superconducting materials, such as multiband ones in which different superconducting gaps open in different Fermi surfaces, films engineered at the atomic scale to enter the quantum confined regime, multilayers, two-dimensional electron gases at the oxide interfaces, and complex materials in which different electronic orbitals or different carriers participate in the formation of the superconducting condensate. In all these systems the increased number of degrees of freedom of the multicomponent superconducting wave-function allows for emergent quantum effects that are otherwise unattainable in single-component superconductors. In this editorial paper we introduce the present focus issue, exploring the complex but fascinating physics of multicomponent superconductivity.

arXiv comment3 pages; Focus Issue on Multicomponent Superconductivity of Superconductor Science and Technology. MultiSuper collaboration: http://www.multisuper.org

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