Research PaperNo Access

Dynamical behavior of two locally coupled asymmetric RF-SQUIDs

A. Malekifar

Department of Physics, University of Qom, Ghadir Blvd, Qom 3716146611, Iran

E-mail Address: a.malekifar@gmail.com

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H. Pahlavani

https://orcid.org/0000-0002-8784-3240

Department of Physics, University of Qom, Ghadir Blvd, Qom 3716146611, Iran

E-mail Address: h-pahlavani@qom.ac.ir

Corresponding author.

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, and

S. M. Fazeli

Department of Physics, University of Qom, Ghadir Blvd, Qom 3716146611, Iran

E-mail Address: smfazeli@qom.ac.ir

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https://doi.org/10.1142/S0217979224503077Cited by:0 (Source: Crossref)

Abstract

An asymmetric system consisting of two coupled radio frequency superconducting quantum interference devices (RF-SQUIDs) with general geometry as nonlinear macroscopic system with mutual inductance under the influence of a time-dependent external field has been investigated numerically. Due to the importance of mutual induction in the construction of such nonlinear asymmetric systems, the dependence of coupling coefficient on the frequency changes, the primary and secondary resonance amplitudes and also the anti-resonances in both squids have been investigated. By changing the geometry of the arrangement of squids, the dynamic behavior parameters of the system have been studied. The eigenvalues of this system have been found and by changing frequency, the stable and unstable states have been studied.

Keywords:

PACS: 05.45.−, 02.60−cb, 05.45.xt

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