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Commensurability effects in Andreev antidot billiards

DOI to cite this document:
10.5283/epub.1349
Eroms, Jonathan ; Tolkiehn, Martin ; Weiss, Dieter ; Rössler, Ulrich ; Boeck, J. De ; Borghs, G.
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Date of publication of this fulltext: 05 Aug 2009 13:28


Abstract

An Andreev billiard was realised in an array of niobium filled antidots in a high-mobility InAs/AlGaSb heterostructure. Below the critical temperature T_C of the Nb dots we observe a strong reduction of the resistance around B=0 and a suppression of the commensurability peaks which are usually found in antidot lattices. Both effects can be explained in a classical Kubo approach by considering the ...

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