Logic design of Josephson network. II

Journal Article · Mon May 01 04:00:00 EDT 1978 · J. Appl. Phys.; (United States)

DOI:https://doi.org/10.1063/1.325138· OSTI ID:6939310

Nakajima, K; Onodera, Y

By numerical calculations of the differential-difference sine-Gordon equation, we have discussed the discrete Josephson-junction transmission lines which are constructed of a series of small-area Josephson junctions connected by superconducting strips. It is shown that the discrete Josephson lines containing D lines, N lines, T turning points, and S turning points are elementarily characterized by the discreteness parameter (2..pi..LI/sub c//Phi/sub 0/)/sup 1/2/. On the discrete Josephson logic circuits there exists a region of forbidden propagation in the (2..pi..LI/sub c//Phi/sub 0/)/sup 1/2/-..gamma.. (bias-current parameter) plane for single flux quanta. A single flux quantum can be stuffed in a small area of the discrete Josephson logic circuits. The discrete circuits can be conveniently and easily linked to each other, in a practical fabrication of a Josephson network.

• Research Organization: Research Institute of Electrical Communication, Tohoku University, Sendai, Japan
• OSTI ID: 6939310
• Journal Information: J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 49:5; ISSN JAPIA
• Country of Publication: United States
• Language: English

Related Subjects

420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CRITICAL CURRENT
CURRENTS
ELECTRIC CURRENTS
ELECTRONIC CIRCUITS
EQUATIONS
EQUIVALENT CIRCUITS
FIELD EQUATIONS
JOSEPHSON JUNCTIONS
LOGIC CIRCUITS
MAGNETIC FLUX
MATHEMATICS
NETWORK ANALYSIS
NUMERICAL ANALYSIS
POWER TRANSMISSION LINES
SINE-GORDON EQUATION
SUPERCONDUCTING JUNCTIONS
WAVE PROPAGATION