Physics – Condensed Matter – Superconductivity
Scientific paper
2006-04-29
J. Phys. Chem. Solids 67, 325 (2006)
Physics
Condensed Matter
Superconductivity
4 pages, 3 figures
Scientific paper
10.1016/j.jpcs.2005.10.163
The crossed Andreev reflection in a hybrid nanostructure consisting of a d-wave superconductor and two quantum wires is theoretically studied. When the (110) oriented surface of the superconductor is in contact with the wires parallel and placed close to each other, the Andreev bound state is formed by the crossed Andreev reflection. The conductance has two resonance peaks well below the gap structure in the case of tunnel contacts. These peaks originate from the bonding and antibonding Andreev bound states of hole wave functions.
Maekawa Sasamichi
Takahashi Saburo
Yamashita Toshifumi
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