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Paper Title : AN EVALUATION OF VORTEX-OSCILLATIONS OF THE JOSEPHSON VORTEX LATTICE IN HIGH-TC-SUPERCONDUCTORS

ISSN : 2395-1303
Year of Publication : 2021
10.29126/23951303/IJET-V7I6P1

Authors: VIKASH KUMAR AND L.K. MISHRA

         


Abstract
We have studied vortex lattice oscillations of the Josephson vortex lattice at small field and frequency for high TC- superconductors. We have obtained the simple relation for the dynamic dielectric constant which the perturbation of the superconducting, phase induces by the oscillating electric field. We have computed the loss-function as a function of frequency for caxis and in plane dissipation parameters. These parameters are inversely proportional to the anisotropy. This case of weak and strong dissipation are realized in Bi2Sr2CaCu2Ox and underdoped YBa2Cu3Ox respectively. We have also explored the evaluation of the loss- function with the increasing magnetic field. We observed in additional peak in the loss function below the JPR peak which was observed experimentally in underdoped YBCO. We established that this peak appears due to the frequency dependents of the in plane contribution to losses.

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Keywords
-Vortex oscillations module, Josephson plasma resonance (JPR),Josephson vortices, vortex oscillation theory, vortex parameters, linear vortex mass, viscosity, coefficient, DC flux-below conductivity.