Quantum shot noise in a normal-metal–superconductor point contact
B. A. Muzykantskii, D. E. Khmelnitskii
DOI 10.1103/PhysRevB.50.3982 · Physical Review B
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Abstract
The distribution function for the current noise in a normal-metal–superconductor quantum point contact is calculated. It is shown that this distribution describes independent processes when a charge ±e0 or ±2e0 passes through the contact. At low temperature and voltage only processes with double-charge transfer are relevant. At zero temperature and low voltage the distribution has a binomial form.
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