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Noise Correlations in Three-Terminal Diffusive Superconductor-Normal Metal-Superconductor Nanostructures

Abstract : We present measurements of current noise and cross-correlations in three-terminal Superconductor-Normal metal-Superconductor (S-N-S) nanostructures that are potential solid-state entanglers thanks to Andreev reflections at the N-S interfaces. The noise correlation measurements spanned from the regime where electron-electron interactions are relevant to the regime of Incoherent Multiple Andreev Reflection (IMAR). In the latter regime, negative cross-correlations are observed in samples with closely-spaced junctions.
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Contributor : François Lefloch <>
Submitted on : Friday, August 19, 2011 - 11:45:50 AM
Last modification on : Tuesday, May 11, 2021 - 11:36:06 AM
Long-term archiving on: : Friday, November 25, 2011 - 11:34:08 AM

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Bhaskar Kaviraj, Olivier Coupiac, Hervé Courtois, François Lefloch. Noise Correlations in Three-Terminal Diffusive Superconductor-Normal Metal-Superconductor Nanostructures. Physical Review Letters, American Physical Society, 2011, 107, pp.077005. ⟨10.1103/PhysRevLett.107.077005⟩. ⟨hal-00615461⟩

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