Quantum Phase Slips in Superconducting Nanowires
C. N. Lau, N. Markovic, M. Bockrath, A. Bezryadin, M. Tinkham
DOI 10.1103/PhysRevLett.87.217003 · Physical Review Letters
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
We have measured the resistance vs temperature of more than 20 superconducting nanowires with nominal widths ranging from 10 to 22 nm and lengths from 100 nm to 1μm. With decreasing cross-sectional areas, the wires display increasingly broad resistive transitions. The data are in very good agreement with a model that includes both thermally activated phase slips close to Tc and quantum phase slips (QPS) at low temperatures, but disagree with an earlier model based on a critical value of RN/Rq. Our measurements provide strong evidence for QPS in thin superconducting wires.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Mo0.79Ge0.21 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
Similar papers
Magnetic-Field Enhancement of Superconductivity in Ultranarrow Wires
similarity 0.97A. Rogachev et al.
Source status unknown — claims are unverified
Effect of morphology on the superconductor-insulator transition in one-dimensional nanowires
similarity 0.96A. T. Bollinger et al.
Source status unknown — claims are unverified
Quantum Phase Slips and Transport in Ultrathin Superconducting Wires
similarity 0.95Andrei D. Zaikin et al.
Source status unknown — claims are unverified
Influence of High Magnetic Fields on the Superconducting Transition of One-Dimensional Nb and MoGe Nanowires
similarity 0.93A. Rogachev et al.
Source status unknown — claims are unverified
Quantum fluctuations in ultranarrow superconducting aluminum nanowires
similarity 0.92M. Zgirski et al.
Source status unknown — claims are unverified
Observation of individual macroscopic quantum tunneling events in superconducting nanowires
similarity 0.91Meenakshi Singh & Moses H. W. Chan
Source status unknown — claims are unverified