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Quantum fluctuations and superconductivity in granular films and Josephson junctions

Thesis/Dissertation ·
OSTI ID:6040489

A theory of a universal normal state resistance criterion for the onset of superconductivity in ultra-small Josephson arrays, and in granular films modeled by such arrays, is described. The mean field theory of the quantum cooper pair phase fluctuation driven transition is applied to the calculation of the normal state resistance and bias current dependence of the AC response of the globally superconducting state. A first correction to the mean field zero temperature threshold is computed using the Bethe approximation.

Research Organization:
Maryland Univ., College Park, MD (USA)
OSTI ID:
6040489
Country of Publication:
United States
Language:
English

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Related Subjects

656100* -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BETHE-GOLDSTONE EQUATION
COOPER PAIRS
CORRECTIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EQUATIONS
FILMS
FLUCTUATIONS
FUNCTIONS
JOSEPHSON JUNCTIONS
JUNCTIONS
MEAN-FIELD THEORY
PHYSICAL PROPERTIES
RESPONSE FUNCTIONS
SUPERCONDUCTING FILMS
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTIVITY
VARIATIONS