Study of charge-phase diagrams for coupled system of Josephson junctions
M. Hamdipour, Yu. M. Shukrinov
TL;DR
This paper investigates the dynamics of stacked intrinsic Josephson junctions in high-Tc superconductors, analyzing their current-voltage characteristics and introducing a phase-charge diagram method to study the breakpoint region.
Contribution
It introduces a novel phase-charge diagram method to analyze the fine structure of the current-voltage characteristics in coupled Josephson junctions.
Findings
The phase-charge diagram method effectively captures features of the breakpoint region.
Analysis of a stack with 9 junctions reveals detailed insights into the CVC structure.
The method enhances understanding of the junctions' dynamic behavior.
Abstract
Dynamics of stacked intrinsic Josephson junctions (IJJ) in the high-Tc superconductors is theoretically investigated. We calculate the current-voltage characteristics (CVC) of IJJ and study the breakpoint region on the outermost branch of the CVC for the stacks with 9 IJJ. A method for investigation of the fine structure in CVC of IJJ based on the recording the "phase-charge" diagrams is suggested. It is demonstrated that this method reflects the main features of the breakpoint region.
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