Electrodynamic response of current-biased elementary cubic networks of Josephson junctions
R. De Luca, F. Romeo
DOI 10.1103/PhysRevB.66.024509 · Physical Review B
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Abstract
We study the electrodynamic behavior of elementary cubic networks of Josephson junctions in the presence of a constant current bias and of a uniform external magnetic field. We find that, for well defined external field directions, the observable electrodynamic quantities, such as the time-averaged voltage 〈v〉, are periodic with respect to the applied flux Φex. Considering linear and shear strain of the network, by first order pertubation analysis on the deformation parameters it is shown that the 〈v〉 vs Φex curves are still periodic. However, both periodicity and the field directions for which periodic behavior occurs differ from those found in the nondeformed case.
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