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Quasi-particle tunnelling between vortex cores in a mixed state superconductor

Research output: Contribution to journalJournal article

Published

Journal publication date02/1994
JournalPhysica B: Condensed Matter
Journal number2
Volume194-196
Number of pages2
Pages1679-1680
Original languageEnglish

Abstract

We examine the low lying quasi-particle states of a chain of vortices contained within a thin slab of superconductor and demonstrate that bound states of individual vortices hybridize to form bands of extended states. As a consequence of the phase gradient around a vortex, one such band is centred on zero energy and will therefore contribute to quasi-particle transport at energies far below T(c).