Global phase coherence in two-dimensional granular superconductors

Global phase coherence in two-dimensional granular superconductors

Experimental evidence is presented from studies of the onset of superconductivity in ultrathin Sn films which implies that the sheet resistance is the only relevant variable in determining the onset of global phase coherence. This result is also found by a theoretical argument involving both the pha...

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Veröffentlicht in:Phys. Rev. Lett.; (United States) 1986-01, Vol.56 (4), p.378-381
Hauptverfasser: ORR, B. G, JAEGER, H. M, GOLDMAN, A. M, KUPER, C. G
Format: Artikel
Sprache:eng
Schlagworte:
360104 - Metals & Alloys- Physical Properties
656102 - Solid State Physics- Superconductivity- Acoustic, Electronic, Magnetic, Optical, & Thermal Phenomena- (-1987)
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
DATA
DIMENSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
ENERGY
Exact sciences and technology
EXPERIMENTAL DATA
GRANULAR MATERIALS
INFORMATION
MATERIALS
MATERIALS SCIENCE
METALS
Metals, semimetals and alloys
NUMERICAL DATA
Occurrence, potential candidates
PHYSICAL PROPERTIES
Physics
Specific materials
SUPERCONDUCTING FILMS
SUPERCONDUCTIVITY
SUPERCONDUCTORS
THICKNESS
TIN
TYPE-I SUPERCONDUCTORS
VERY LOW TEMPERATURE
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Beschreibung
Zusammenfassung:Experimental evidence is presented from studies of the onset of superconductivity in ultrathin Sn films which implies that the sheet resistance is the only relevant variable in determining the onset of global phase coherence. This result is also found by a theoretical argument involving both the phase-number and energy-time uncertainty relations. (Author)
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.56.378