Abstract

We present numerical simulations of Josephson junction arrays with strong positional disorder. We study their vortex dynamics as a function of disorder and bias current. We find that above the critical current i c there is a plastic flow of vortices and antivortices through channels, characterized by strong fluctuations of the total vorticity. The number and complexity of the vortex-antivortex flow channels grow with bias current like in a critical phenomenon. We study this critical behavior close to ic in the strong disorder limit, calculating critical exponents for the voltage onset and voltage fluctuations.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.