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4 papers · 2 filters
Tunable decoherence in the vicinity of a normal metal-superconducting junction
Rodolphe Guyon, Thierry Martin, Gordey B. Lesovik
The decoherence rate of a quantum dot coupled to a fluctuating environment described by a normal-metal superconductor junction is considered. The density-density correlator at low…
Electronic Entanglement in the Vicinity of a Superconductor
Gordey B. Lesovik, Thierry Martin, Gianni Blatter
A weakly biased normal-metal-superconductor junction is considered as a potential device injecting entangled pairs of quasi-particles into a normal-metal lead. The two-particle sta…
Effective charges and statistical signatures in the noise of normal metal--superconductor junctions at arbitrary bias
Julien Torres, Thierry Martin, Gordey B. Lesovik
Shot noise is studied in a single normal metal-superconductor (N-S) junction at finite frequency, and for branched N-S junctions at zero frequency. The noise spectral density displ…
Partition noise and statistics in the fractional quantum Hall effect
I. Safi, P. Devillard, T. Martin
A microscopic theory of current partition in fractional quantum Hall liquids, described by chiral Luttinger liquids, is developed to compute the noise correlations, using the Keldy…