Revista UIS Ingenierías

Vol. 23 No. 3 (2024): Revista UIS Ingenierías
Articles

Critical Currents and Voltage Oscillations in a Superconducting Sample

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  • Jose Jose Barba-Ortega,
  • Miryam Rincón-Joya ,
  • Cristian Aguirre -Tellez
Jose Jose Barba-Ortega
Universidad Nacional de Colombia
Miryam Rincón-Joya
Universidad Nacional de Colombia
Cristian Aguirre -Tellez
Universidade Federal de Mato Groso
DOI: https://doi.org/10.18273/revuin.v23n3-2024008

Published 2024-09-15

Keywords

  • Ginzburg-Landau,
  • Critical current,
  • Superconductivity,
  • Vortex state,
  • Mesoscopic

How to Cite

Barba-Ortega, J. J., Rincón-Joya , M. ., & Aguirre -Tellez, C. . (2024). Critical Currents and Voltage Oscillations in a Superconducting Sample. Revista UIS Ingenierías, 23(3), 93–98. https://doi.org/10.18273/revuin.v23n3-2024008

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This work is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License.

Abstract

In this contribution, we study the oscillations of the electrical-potential in a mesoscopic superconducting thin film when an external current is applied. We analyze the resistivity and electrical-potential as a function of the applied current for several external applied magnetic field and size of the sample. Also, we have calculated the electrical-potential as a function of the characteristic time. To study this problem, we solve the well know generalized time dependent-Ginzburg-Landau equations using the link-variable method. We found that the critical current decreases when the external magnetic field increases and the size of the sample decreases. Furthermore, the oscillation frequency of the kinematic vortex, evidenced in the oscillations of the electrical potential, is highly dependent on the applied magnetic field.

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