Quantum Phase Slips and Transport in Ultrathin Superconducting Wires
Autor: | Dmitrii S. Golubev, Gergely T. Zimanyi, Andrei D. Zaikin, Anne van Otterlo |
---|---|
Rok vydání: | 1997 |
Předmět: | |
Zdroj: | Physical Review Letters. 78:1552-1555 |
ISSN: | 1079-7114 0031-9007 |
DOI: | 10.1103/physrevlett.78.1552 |
Popis: | We present a microscopic study of the quantum fluctuations of the superconducting order parameter in thin homogeneous superconducting wires at all temperatures below T{sub 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 temperatures. Furthermore, we predict a new low-temperature metallic phase below a critical wire thickness in the 10-nm range, in which quantum phase slips proliferate. {copyright} {ital 1997} {ital The American Physical Society} |
Databáze: | OpenAIRE |
Externí odkaz: |