6533b85cfe1ef96bd12bcae9
RESEARCH PRODUCT
Towards quantum phase slip based standard of electric current
K. Yu. ArutyunovZhiming WangJ. S. LehtinenJ. S. Lehtinensubject
010302 applied physicsPhysicsSuperconductivityJosephson effectPhysics and Astronomy (miscellaneous)Condensed matter physicsNanowire02 engineering and technologyOtaNano021001 nanoscience & nanotechnology01 natural sciencesMetrologyCondensed Matter::Superconductivity0103 physical sciencesElectric current0210 nano-technologyQuantumQuantum fluctuationVoltagedescription
An accurate standard of electric current is a long-standing challenge of modern metrology. It has been predicted that a superconducting nanowire in the regime of quantum fluctuations can be considered as the dynamic equivalent of a chain of conventional Josephson junctions. In full analogy with the quantum standard of electric voltage based on the Josephson effect, the quantum phase slip phenomenon in ultrathin superconducting nanowires could be used for building the quantum standard of electric current. This work presents advances toward this ultimate goal.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2019-06-18 |