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Proceedings Paper

1/f noise in systems with exponentially wide spectrum of resistances
Author(s): Andrei A. Snarskii; A. E. Morozovsky; Andrzej Kolek
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Paper Abstract

Numerical simulations of 1/f noise in random networks in which bonds take resistances r approximately equals exp(-(lambda) x), where x is a random variable and (lambda) >> 1, are presented. For microscopic noise generating mechanism which obeys the form of {(delta) r(delta) r} approximately equals r2 $plus (theta ) it is shown that the effective noise intensity C equivalent S(Omega) , where S is the relative power spectral density of the fluctuations (delta) R of the resistance R of the network and (Omega) is the networks volume, is given by C approximately equals (lambda) mexp(- (lambda) (theta) xc) where Xc is related to percolation threshold. Numerical simulations performed for (theta) equals 1 and (theta) equals 0 give m equals 2.3 and show that exponent m is 'double universal' i.e., it is independent of the geometry of the lattice and of microscopic noise generating mechanism.

Paper Details

Date Published: 8 April 1996
PDF: 4 pages
Proc. SPIE 2780, Metal/Nonmetal Microsystems: Physics, Technology, and Applications, (8 April 1996); doi: 10.1117/12.238132
Show Author Affiliations
Andrei A. Snarskii, Kiev Polytechnical Institute (Ukraine)
A. E. Morozovsky
Andrzej Kolek, Rzeszow Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 2780:
Metal/Nonmetal Microsystems: Physics, Technology, and Applications
Benedykt W. Licznerski; Andrzej Dziedzic, Editor(s)

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