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Kuznetsov S.P., Kuznetsov A.P., Sataev I.R. — Multiparameter Critical Situations, Universality and Scaling in Two-Dimensional Period-Doubling Maps
Kuznetsov S.P., Kuznetsov A.P., Sataev I.R. — Multiparameter Critical Situations, Universality and  Scaling in Two-Dimensional Period-Doubling Maps

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Название: Multiparameter Critical Situations, Universality and Scaling in Two-Dimensional Period-Doubling Maps

Авторы: Kuznetsov S.P., Kuznetsov A.P., Sataev I.R.

Аннотация:

We review critical situations, linked with period-doubling transition to chaos, which require using at least two-dimensional maps as models representing the universality classes. Each of them corresponds to a saddle solution of the twodimensional generalization of Feigenbaum-Cvitanovi´c equation and is characterized by a set of distinct universal constants analogous to Feigenbaum’s α and δ. One type of criticality designated H was discovered by several authors in 80-th in the context of period doubling in conservative dynamics, but occurs as well in dissipative dynamics, as a phenomenon of codimension 2. Second is bicritical behavior, which takes place in systems allowing decomposition onto two dissipative period-doubling subsystems, each of which is brought by parameter tuning onto a threshold of chaos. Types of criticality designated as FQ and C occur in non-invertible two-dimensional maps. We present and discuss a number of realistic systems manifesting those types of critical behavior and point out some relevant conditions of their potential observation in physical systems. In particular, we indicate a possibility for realization of the H type criticality without vanishing dissipation, but with its compensation in a self-oscillatory system. Next, we present a number of examples (coupled H´enon-like maps, coupled driven oscillators, coupled chaotic self-oscillators), which manifest bicritical behavior. For FQ-type we indicate possibility to arrange it in non-symmetric systems of coupled period-doubling subsystems, e.g. in H´enon-like maps and in Chua’s circuits. For C-type we present examples of its appearance in a driven R¨ ossler oscillator at the period-doubling accumulation on the edge of syncronization tongue and in a model map with the Neimark–Sacker bifurcation.


Язык: en

Рубрика: Физика/

Тип: Статья

Статус предметного указателя: Неизвестно

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Год издания: 2005

Количество страниц: 52

Добавлена в каталог: 27.10.2013

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