Interference of Cooper pairs emitted from independent superconductors
Mauro Iazzi, Kazuya Yuasa
DOI 10.1103/PhysRevB.81.172501 · Physical Review B
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Abstract
We discuss the interference in the two-particle distribution of the electrons emitted from two independent superconductors. It is clarified that, while the interference appearing in the antibunching correlation is due to the Hanbury Brown and Twiss effect, that in the positive correlation due to superconductivity is intrinsically different and is nothing but the first-order interference of Cooper pairs emitted from different sources. This is the equivalent of the interference of two independent Bose-Einstein condensates.
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