Jpn. J. Appl. Phys. 39 (2000) pp. 2865-2869  |Next Article|  |Table of Contents|
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Asymmetrical Property of 1/f Resistance Fluctuation for Time Inversion

Hideo Akabane, Kazuyoshi Nakaya and Masahiro Agu

(Received September 10, 1999; accepted for publication February 4, 2000)

The 1/f resistance fluctuations of carbon fiber are observed under four different nonequilibrium conditions controlled by the heat diffusion from the fiber to the external environment. A higher-order correlation function of an observed 1/f time series is analyzed and compared with those of three different types of computer-generated 1/f time series. It is found that the higher-order correlation function related to the time-inversion asymmetry of the 1/f resistance fluctuation shows the same statistical property as that of a one-dimensional diffusion system. Further more, the higher-order correlation function of the 1/f resistance fluctuations with the same 1/f spectra is shown to be affected by the heat diffusion from the carbon fiber.

KEYWORDS: 1/f resistance fluctuation, higher-order correlation function, carbon fiber, heat diffusion, nonequilibrium
URL: http://jjap.ipap.jp/link?JJAP/39/2865/
DOI: 10.1143/JJAP.39.2865

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