Noise in the wire: the real impact of wire resistance for the Johnson (-like) noise based secure communicator
arXiv:1002.0087 · doi:10.1016/j.physleta.2010.03.021
Abstract
We re-evaluate the impact of wire resistance on the noise voltage and current in the Johnson-(like)-noise based secure communicator, correcting the result presented in [Physics Letters A 359 (2006) 737]. The analysis shown here is based on the fluctuation-dissipation and the linear response theorems. The results indicate that the impact of wire resistance in practical communicators is significantly lower than the previous estimation.
arXiv commentAccepted for publication in Physics Letters A, on March 10, 2010
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