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Proceedings Paper

Quasi-particle spectrum of vortices in cuprates
Author(s): Irena Knezevic; Zoran Radovic
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Paper Abstract

The quasiparticle excitation spectrum of an isolated vortex in a clean layered d-wave superconductor is calculated, using both the Bogoliubov-de Gennes and the quasiclassical Eilenberger equations. Analytical solutions are obtained within the model of step-variation of the gap function, adjusting the Caroli, de Gennes and Matricon approach for low- lying excitations in cuprates. A large peak in the density of states in the 'pancake' vortex core is found, caused by the two-dimensional and strong coupling nature of high-temperature superconductivity.

Paper Details

Date Published: 22 December 1998
PDF: 8 pages
Proc. SPIE 3481, Superconducting and Related Oxides: Physics and Nanoengineering III, (22 December 1998); doi: 10.1117/12.335870
Show Author Affiliations
Irena Knezevic, Univ. of Belgrade (Serbia)
Zoran Radovic, Univ. of Belgrade (Serbia)

Published in SPIE Proceedings Vol. 3481:
Superconducting and Related Oxides: Physics and Nanoengineering III
Davor Pavuna; Ivan Bozovic, Editor(s)

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