Tuning the 0 − π Josephson junction with a magnetic impurity: Role of tunnel contacts, exchange coupling, e − e interactions and high-spin states
We propose Josephson junction with a high-spin magnetic impurity sandwiched between two superconductors. This system shows a π junction behavior as a function of the spin magnetic moment state of the impurity, the interface transparency, exchange coupling and electron-electron interactions in the sy...
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| Veröffentlicht in: | Scientific reports 2018-03, Vol.8 (1), p.5208-12, Article 5208 |
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| creator | Pal, Subhajit Benjamin, Colin |
| description | We propose Josephson junction with a high-spin magnetic impurity sandwiched between two superconductors. This system shows a π junction behavior as a function of the spin magnetic moment state of the impurity, the interface transparency, exchange coupling and electron-electron interactions in the system. The system is theoretically analyzed for possible reason behind the π shift. The crucial role of spin flip scattering is highlighted. Possible applications in quantum computation of our proposed tunable high spin magnetic impurity π junction is underscored. |
| doi_str_mv | 10.1038/s41598-018-23517-w |
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| subjects | 639/301/119/1001 639/766/119/1003 639/925/927/1064 Boundary conditions Energy Humanities and Social Sciences Metals multidisciplinary Science Science (multidisciplinary) |
| title | Tuning the 0 − π Josephson junction with a magnetic impurity: Role of tunnel contacts, exchange coupling, e − e interactions and high-spin states |
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