Abstract
We have studied current-voltage characteristics of ultra-narrow superconducting aluminium nanowires governed by quantum fluctuations of the order parameter. In this regime a quasi-one-dimensional superconducting channel is in a resistive state well below the critical temperature. It has been found that the V(I) characteristics show-up non-monotonous dependency which is very strongly affected by temperature and/or external magnetic field. The origin of the effect is not clear.
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