Influence of Vortex-Antivortex Annihilation on the Potential Curve for Josephson Junction Based on The Modified Time Dependent Ginzburg-Landau Equations

Hari Wisodo, Arif Hidayat, Pekik Nurwantoro, Agung Bambang Setio Utomo, Eny Latifah


The dynamics of annihilation a vortex-antivortex (VAV) pair in a Josephson junction has been investigated based on the modified Time Dependent Ginzburg Landau (TDGL) equations. The pair was generated only by the current-induced magnetic field. As the external current density is passed on the sample, a VAV enters the scene, moves toward the centre of the Josephson junction (JJ), and finally the pair is annihilated. The supercurrent density topology, order parameter topology, and voltage curve were also calculated. The influence of the dynamics of annihilation a VAV pair on the potensial curve is discussed.

Keywords: annihilation, anti vortex, Josephson junction, superconductor, vortex, voltage

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ISSN (Paper)2224-719X ISSN (Online)2225-0638

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