We study shot noise in mesoscopic diffusive wires between a normal and a superconducting terminal. We particularly focus on the regime, in which the proximity‐induced reentrance effect is important. We will examine the difference between a simple Boltzmann‐Langevin description, which neglects induced correlations beyond the conductivity correction, and a full quantum calculation. In the latter approach, it turns out that two Andreev pairs propagating coherently into the normal metal are anti‐correlated for E ≲ Ec, where Ec = ℏD/L2 is the Thouless energy.

Topics
Superconductivity, Superconductors, Thouless energy, Signal processing, Quantum molecular calculations, Corrections
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© 2005 American Institute of Physics.
2005
American Institute of Physics
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