Theory of voltage oscillations in ultra-small capacitance Josephson junctions
Thesis/Dissertation
·
OSTI ID:6476162
In ultra-small capacitance Josephson junctions, where the junction charging energy E/sub Q/ = (2e)/sup 2//2C is comparable to or larger than the junction coupling energy E/sub J/, the quantum-mechanical nature of the phase of the superconducting order parameter becomes important. Such quantum effects lead to novel behavior in the junction dynamics-supplying a constant current I to such a junction produces voltage of Bloch oscillations with a frequency omega/sub B/ = 2kappaI/2e, which are the result of the periodic transfer a Cooper pair of charge 2e across the junction. This thesis examines certain theoretical aspects of these Bloch oscillations.
- Research Organization:
- Illinois Univ., Urbana (USA)
- OSTI ID:
- 6476162
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BLOCH THEORY
CAPACITANCE
COOPER PAIRS
ELECTRIC CONDUCTIVITY
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
JOSEPHSON JUNCTIONS
JUNCTIONS
MECHANICS
ORDER PARAMETERS
OSCILLATIONS
PHYSICAL PROPERTIES
QUANTUM MECHANICS
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTIVITY
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BLOCH THEORY
CAPACITANCE
COOPER PAIRS
ELECTRIC CONDUCTIVITY
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
JOSEPHSON JUNCTIONS
JUNCTIONS
MECHANICS
ORDER PARAMETERS
OSCILLATIONS
PHYSICAL PROPERTIES
QUANTUM MECHANICS
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTIVITY