Spectroscopic evidence of odd frequency superconducting order

Pal, Avradeep; Ouassou, Jabir Ali; Eschrig, Matthias; Linder, Jacob; Blamire, Mark G.
Journal article, Peer reviewed
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http://hdl.handle.net/11250/2465108
Date
2017
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Original version
Scientific Reports. 2017, 7:40604 1-5.   10.1038/srep40604
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.
Publisher
Nature Publishing Group
Journal
Scientific Reports
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