Electrodynamic response of current-biased elementary cubic networks of Josephson junctions

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 ${\ensuremath{\Phi}}_{\mathrm{ex}}.$ Considering linear and shear strain of the network, by first order pertubation analysis on the deformation parameters it is shown that the $〈v〉$ vs ${\ensuremath{\Phi}}_{\mathrm{ex}}$ 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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