K 79 Koverda, V. P. Statistics of fluctuations for nonequilibrium phase transitions in spatially distributed system with a 1/f spectrum [Электронный ресурс] / V. P. Koverda, V. N. Skokov // Doklady Physics. - 2009. - Vol.54, №10. - P454-458 Рубрики: ФИЗИКА Кл.слова (ненормированные): 1/F SPECTRUM -- FLUCTUATIONS -- NON-EQUILIBRIUM PHASE Аннотация: The statistics of fluctuations for non-equilibrium phase transitions in spatially distributed system with a 1/f Spectrum has been reported. The systems in which it is possible to observe the 1/f noise belong to various fields of investigations the physics of solids and electronics, astrophysics, geophysics, biology, economy, and social sciences. The stationary stochastic processes with the 1/f spectrum are characterized by flashes and avalanche dynamics. The fluctuation power spectra more often are not measured directly in the self organized criticality models but calculated from the found avalanche distributions. The fluctuation spectra for the spatially distributed system and for other values of diffusivity have the power dependence. The initial conditions for each spatial point of these two systems were chosen with opposite signs corresponding to the different potential valleys. |