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Mandelbrot set in coupled logistic maps and in an electronic experiment
O B Isaeva1, S P Kuznetsov, V I Ponomarenko
1Institute of Radio-Electronics, Russian Academy of Sciences, Zelenaya 38, Saratov 410019, Russian Federation.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|December 12, 2001
Summary
Researchers created a physical system mimicking complex analytic maps. This system demonstrates dynamical behaviors similar to the Feigenbaum universality class, experimentally producing the Mandelbrot set.
Area of Science:
- Nonlinear dynamics
- Complex systems
- Chaos theory
Background:
- Complex analytic iterative maps exhibit rich dynamical behaviors.
- Understanding the physical realization of these maps is crucial for nonlinear dynamics research.
- The Feigenbaum universality class describes critical phenomena in chaotic systems.
Purpose of the Study:
- To propose a method for constructing physical systems with dynamics of complex analytic iterative maps.
- To explore the potential for coupled dissipative nonlinear systems to exhibit complex map dynamics.
- To experimentally validate the concept using an electronic system.
Main Methods:
- Transformation of a complex quadratic map into coupled real one-dimensional quadratic maps.
- Design and implementation of a coupled dissipative nonlinear electronic system.
- Experimental observation and analysis of dynamical phenomena, including the Mandelbrot set.
Main Results:
- A physical system was constructed exhibiting dynamical characteristics of complex analytic maps.
- The electronic system demonstrated phenomena related to the Feigenbaum universality class.
- The Mandelbrot set was successfully generated in the parameter plane of the physical system.
Conclusions:
- The proposed approach enables the physical realization of complex analytic map dynamics.
- Coupled dissipative nonlinear systems can effectively emulate complex iterative map behavior.
- The experimental results confirm the feasibility and provide a physical basis for studying complex dynamics.