Spin-flip effects on the Andreev bound states and supercurrents in a superconductor/quantum-dot/superconductor system
Pan, Hui · Lin, Tsung-Han · Yu, Dapeng
Original · EN
We investigate the spin-flip effects on the Andreev bound states and the supercurrent in a superconductor/quantum-dot/superconductor system theoretically. The spin-flip scattering in the quantum dot can reverse the supercurrent flowing through the system, and one π-junction transition occurs. By controlling the energy level of quantum dot, the supercurrent is reversed back and another π-junction transition appears. The different influences of the spin-flip scattering and the intradot energy level on the supercurrent are interpreted in the picture of Andreev bound states.
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