Maximal positive cross-correlation of current noise from Andreev reflection
A. Bednorz, J. Tworzydło, J. Wróbel, T. Dietl
DOI 10.1103/PhysRevB.79.245408 · Physical Review B
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Abstract
The current flowing from a superconductor to a two-terminal setup describing a nanostructure connected to normal-metal leads is studied. We provide an example of scattering matrix giving ideal splitting off electrons from a Cooper pair by means of Cauchy-Bunyakovsky-Schwarz inequality. The proposal of the junction and its possible variants are discussed in a context of possible experiments.
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