Reversal of Nonlocal Vortex Motion in the Regime of Strong Nonequilibrium

URN to cite this document:: urn:nbn:de:bvb:355-epub-128218
DOI to cite this document:: 10.5283/epub.12821

Otto, Florian ; Bilusic, Ante

; Babic, Dinko ; Vodolazov, D. Yu

; Sürgers, Christoph

; Strunk, Christoph

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Date of publication of this fulltext: 04 Mar 2010 14:49

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Abstract

We investigate nonlocal vortex motion in weakly pinning a-NbGe nanostructures, which is driven by a transport current I and remotely detected as a nonlocal voltage V(nl). At a high I of a given polarity, V(nl) changes sign dramatically. This is followed by V(nl) becoming even in I, with the opposite sign at low and high temperatures T. These findings can be explained by a Nernst-like effect ...