Dynamical effects of an unconventional current-phase relation in YBCO dc-SQUIDs
T. Lindstrom, S.A. Charlebois, A.Ya. Tzalenchuk, Z. Ivanov, M.H.S., Amin, A.M. Zagoskin
TL;DR
This paper reports experimental observations of non-sinusoidal current-phase relations in YBCO dc-SQUIDs, demonstrating how unconventional pairing symmetry influences their dynamical behavior, aligning with theoretical predictions.
Contribution
It provides the first direct experimental evidence of the effects of unconventional current-phase relations in high-Tc superconductor SQUIDs, confirming theoretical models.
Findings
Non-sinusoidal current-phase relation observed in YBCO dc-SQUIDs
Experimental results agree with theoretical models
Highlights the impact of d-wave pairing symmetry on device dynamics
Abstract
The predominant d-wave pairing symmetry in high temperature superconductors allows for a variety of current-phase relations in Josephson junctions, which is to a certain degree fabrication controlled. In this letter we report on direct experimental observations of the effects of a non-sinusoidal current-phase dependence in YBCO dc-SQUIDs, which agree with the theoretical description of the system.
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