Static Analysis to Predict Behaviour of Bi-SQUIDs in External Magnetic Field

摘要

A method is developed to calculate the distribution of the applied bias current over each of the Josephson junctions of a bi-SQUID in presence of external magnetic field, considering that the magnetic field changes are much slower than the Josephson frequency. The equations are solved numerically to find the magnetic pattern of the Bi-SQUID circuit as a function of Josephson junctions and superconductor loops parameters. These solutions help design better sensors and circuits with higher dynamic range.