Voltage-current characteristics of SQUIDs
Abstract
The paper presents a numerical solution for the system of differential equations which describe the voltage-current characteristics of a superconducting quantum interference device (SQUID). The impedance is computed as a function of the magnetic field for various values of parameters which correlate the circuit inductance, the resistance and kinetic inductance of one of the junctions, and the resistance of the second junction. It was shown that the critical currents for the different polarities of the transport current are not equal, and the device is asymmetric. The oscillation is observed in the slope of the voltage-current characteristics of asymmetric SQUIDs, as predicted by Clarke (1969).
- Publication:
-
Zhurnal Tekhnicheskoi Fiziki
- Pub Date:
- November 1979
- Bibcode:
- 1979ZhTFi..49.2356B
- Keywords:
-
- Electrical Properties;
- Josephson Junctions;
- Squid (Detectors);
- Volt-Ampere Characteristics;
- Current Distribution;
- Differential Equations;
- Field Strength;
- Magnetic Fields;
- Instrumentation and Photography