Spectroscopic evidence of odd frequency superconducting order

Avradeep Pal, J. A. Ouassou, Matthias Eschrig, Jacob Linder, Mark G. Blamire

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Abstract

Spin filter superconducting S/I/N tunnel junctions (NbN/GdN/TiN) show a robust and pronounced Zero Bias Conductance Peak (ZBCP) at low temperatures, the magnitude of which is several times the normal state conductance of the junction. Such a conductance anomaly is representative of unconventional superconductivity and is interpreted as a direct signature of an odd frequency superconducting order.
Original languageEnglish
Article number40604
Pages (from-to)1-5
Number of pages5
JournalScientific Reports
Volume7
DOIs
Publication statusPublished - 20 Jan 2017

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