On Field Induced Diaelastic Effect in a Small Josephson Contact
S. Sergeenkov, F.M. Araujo-Moreira
TL;DR
This paper predicts a field-induced diaelastic effect in small Josephson contacts, showing magnetic field and temperature oscillations in the contact's shear modulus, with potential implications for understanding vortex dynamics.
Contribution
It introduces the concept of a diaelastic effect in Josephson contacts and analyzes its magnetic and temperature-dependent oscillations.
Findings
Magnetic field induces softening of the shear modulus in Josephson contacts.
Shear modulus exhibits flux-driven temperature oscillations near T_C.
The effect resembles the diaelastic phenomenon in other materials.
Abstract
An analog of the diaelastic effect is predicted to occur in a small Josephson contact with Josephson vortices manifesting itself as magnetic field induced softening of the contact shear modulus C(T,H). In addition to Fraunhofer type field oscillations, C(T,H) is found to exhibit pronounced flux driven temperature oscillations near T_C.
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