Wavepacket-current <--> supercurrent conversion in closed N/S/N circuits
Arne Jacobs, Reiner Kümmel
Abstract
The rise and decay in space and time of a supercurrent in a superconductor between two normal current leads connected to a reservoir is computed with the help of quasiparticle wavepackets which suffer Andreev scattering in the interfaces between the normal current leads and the superconductor. Stills from a computer movie visualize electron <-> hole scattering and the creation and destruction of the supercurrent.
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