Quantum Fluctuations and Resistivity of Thin Superconducting Wires

Details Quantum Fluctuations and Resistivity of Thin Superconducting Wires Quantum Fluctuations and Resistivity of Thin Superconducting Wires

1996-09-16

arxiv.org/abs/cond-mat/9609139v1

Physics

Condensed Matter

4 pages, revtex, no figure

Scientific paper

We present a microscopic study of the quantum fluctuations of the superconducting order parameter in thin homogeneous superconducting wires at all temperatures below $T_C$. The rate of quantum phase slip processes determines the resistance $R(T)$ of the wire, which is observable in very thin wires, even at low temperature. Furthermore, we predict a new low temperature metallic phase below a critical wire-thickness in the 10nm range, in which quantum phase slips proliferate.

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