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Distribution of voltage fluctuations in a current-biased conductor | | M Kindermann
; Yu V Nazarov
; C W J Beenakker
; | | Date: |
20 Jun 2003 | | Journal: | Phys Rev Lett, 90 (24), 246805 | | Abstract: | We calculate the fluctuating voltage V(t) over a conductor driven out of equilibrium by a current source. This is the dual of the shot noise problem of current fluctuations I(t) in a voltage-biased circuit. In the single-channel case the distribution of the accumulated phase Phi=(e/ variant Planck’s over 2pi ) integral Vdt is the Pascal (or binomial waiting-time) distribution-distinct from the binomial distribution of transferred charge Q= integral Idt. The weak-coupling limit of a Poissonian P(Phi) is reached in the limit of a ballistic conductor, while in the tunneling limit P(Phi) has the chi-square form. | | Source: | PubMed, pmid12857214 | | Services: | Forum | Review | Favorites | |
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