Effect of a transversal channel on the vortex-antivortex state in a superconducting film
In this work, the resistive state of a mesoscopic superconducting sample in presence of an external transport electric current, Ja, and at zero magnetic field was studied. A non-centered channel of depleted superconductivity (of width m and at lower critical temperature Tc) is positioned at a dis...
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| Format: | Online |
| Language: | spa |
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Universidad Pedagógica y Tecnológica de Colombia
2023
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| Online Access: | https://revistas.uptc.edu.co/index.php/ciencia_en_desarrollo/article/view/14412 |
| _version_ | 1801706355142164480 |
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| author | Ovadiah, Y. Aguirre, C. A. Barba Ortega, Jose Jose |
| author_facet | Ovadiah, Y. Aguirre, C. A. Barba Ortega, Jose Jose |
| author_sort | Ovadiah, Y. |
| collection | OJS |
| description |
In this work, the resistive state of a mesoscopic superconducting sample in presence of an external transport electric current, Ja, and at zero magnetic field was studied. A non-centered channel of depleted superconductivity (of width m and at lower critical temperature Tc) is positioned at a distance d of the center of the sample. We vary the width a of the metallic contact in which the external current is applied. We study the superconducting electronic density, the vortex-antivortex velocity, and the annihilation rates of the supercurrent for several widths of the metallics contacts and position of the channel. Our investigation show that critical currents and the velocity of the v − Av of the studied system depend strongly on the size of the contact and of the position of the channel in the sample.
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| format | Online |
| id | oai:oai.revistas.uptc.edu.co:article-14412 |
| institution | Revista Ciencia en Desarrollo |
| language | spa |
| publishDate | 2023 |
| publisher | Universidad Pedagógica y Tecnológica de Colombia |
| record_format | ojs |
| spelling | oai:oai.revistas.uptc.edu.co:article-144122024-03-25T03:53:58Z Effect of a transversal channel on the vortex-antivortex state in a superconducting film Efecto de un canal transversal sobre el estado vórtice-antivórtice en una película superconductora Ovadiah, Y. Aguirre, C. A. Barba Ortega, Jose Jose Ginzburg-Landau, Vórtice cinemático, Mesoscópicos, Superconductor Ginzburg-Landau, Kinematic vortex, Mesoscopics, Superconductor In this work, the resistive state of a mesoscopic superconducting sample in presence of an external transport electric current, Ja, and at zero magnetic field was studied. A non-centered channel of depleted superconductivity (of width m and at lower critical temperature Tc) is positioned at a distance d of the center of the sample. We vary the width a of the metallic contact in which the external current is applied. We study the superconducting electronic density, the vortex-antivortex velocity, and the annihilation rates of the supercurrent for several widths of the metallics contacts and position of the channel. Our investigation show that critical currents and the velocity of the v − Av of the studied system depend strongly on the size of the contact and of the position of the channel in the sample. En este trabajo se estudió el estado resistivo de una muestra superconductora mesoscópica en presencia de una corriente de transporte Ja, y a campo magnético nulo. Un canal no centrado de superconductividad depreciada (de ancho m y temperatura crítica más baja Tc) se ubicó a una distancia d del centro de la muestra. Variamos el ancho a del contacto metálico por el cual es aplicada la corriente externa. Estudiamos la densidad de electrones superconductores, la velocidad vórtice-antivórtice y las tasas de aniquilación de la supercorriente para varios anchos de los contactos metálicos y para la posición del canal. Nuestra investigacin mostró que las corrientes crı’ticas y la velocidad de los pares v − Av dependen fuertemente del tamaño del contacto y de la posición del canal en la muestra. Universidad Pedagógica y Tecnológica de Colombia 2023-03-02 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.uptc.edu.co/index.php/ciencia_en_desarrollo/article/view/14412 10.19053/01217488.v14.n1.2023.14412 Ciencia En Desarrollo; Vol. 14 No. 1 (2023): Vol 14, Núm.1 (2023): Enero-Junio; 57-63 Ciencia en Desarrollo; Vol. 14 Núm. 1 (2023): Vol 14, Núm.1 (2023): Enero-Junio; 57-63 2462-7658 0121-7488 spa https://revistas.uptc.edu.co/index.php/ciencia_en_desarrollo/article/view/14412/13489 |
| spellingShingle | Ginzburg-Landau, Vórtice cinemático, Mesoscópicos, Superconductor Ginzburg-Landau, Kinematic vortex, Mesoscopics, Superconductor Ovadiah, Y. Aguirre, C. A. Barba Ortega, Jose Jose Effect of a transversal channel on the vortex-antivortex state in a superconducting film |
| title | Effect of a transversal channel on the vortex-antivortex state in a superconducting film |
| title_alt | Efecto de un canal transversal sobre el estado vórtice-antivórtice en una película superconductora |
| title_full | Effect of a transversal channel on the vortex-antivortex state in a superconducting film |
| title_fullStr | Effect of a transversal channel on the vortex-antivortex state in a superconducting film |
| title_full_unstemmed | Effect of a transversal channel on the vortex-antivortex state in a superconducting film |
| title_short | Effect of a transversal channel on the vortex-antivortex state in a superconducting film |
| title_sort | effect of a transversal channel on the vortex antivortex state in a superconducting film |
| topic | Ginzburg-Landau, Vórtice cinemático, Mesoscópicos, Superconductor Ginzburg-Landau, Kinematic vortex, Mesoscopics, Superconductor |
| topic_facet | Ginzburg-Landau, Vórtice cinemático, Mesoscópicos, Superconductor Ginzburg-Landau, Kinematic vortex, Mesoscopics, Superconductor |
| url | https://revistas.uptc.edu.co/index.php/ciencia_en_desarrollo/article/view/14412 |
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