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- Title
The Quantum Phase Slip Phenomenon in Superconducting Nanowires with High-Impedance Environment.
- Authors
Arutyunov, K.; Lehtinen, J.; Rantala, T.
- Abstract
Quantum phase slip (QPS) is the particular manifestation of quantum fluctuations of the order parameter of a current-biased quasi-1D superconductor. The QPS event(s) can be considered a dynamic equivalent of tunneling through conventional Josephson junction containing static in space and time weak link(s). At low temperatures T<< T, the QPS effect leads to finite resistivity of narrow superconducting channels and suppresses persistent currents in tiny nanorings. Here, we demonstrate that the quantum tunneling of phase may result in Coulomb blockade: superconducting nanowire, imbedded in high-Ohmic environment, below a certain bias voltage behaves as an insulator.
- Subjects
NANOWIRES; SUPERCONDUCTORS; QUANTUM phase transitions; LOW temperatures; ELECTRIC impedance
- Publication
Journal of Superconductivity & Novel Magnetism, 2016, Vol 29, Issue 3, p569
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-015-3298-9