Pattern Dynamics in a Two-Dimensional Gas Discharge System | Zendy

Takeshi Sugawara | Zendy; Kunihiko Kaneko | Zendy

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Pattern Dynamics in a Two-Dimensional Gas Discharge System

Author(s) -

Takeshi Sugawara,

Kunihiko Kaneko

Publication year - 2006

Publication title -

progress of theoretical physics supplement

Language(s) - English

Resource type - Journals

ISSN - 0375-9687

DOI - 10.1143/ptps.161.344

Subject(s) - spots , cluster (spacecraft) , pattern formation , chaotic , phase diagram , dynamics (music) , diffusion , hot spot (computer programming) , physics , statistical physics , mechanics , chemistry , phase (matter) , thermodynamics , computer science , artificial intelligence , quantum mechanics , biology , acoustics , genetics , programming language , operating system

Reaction-diffusion equation model for a 2-dimensional gas discharge system isintroduced in close relationship with the recent experiment by Nasuno. Themodel shows formation of spots, molecule-like organization of a cluster ofspots, moving of spots, and intermittent collapse and recreation of spots, inagreement with experiments. The pattern dynamics are classified intodistributed, localized, and moving spots, and periodic wave pattern. The phasediagram displayed against the current and pressure has some agreement with thatobserved in the experiment. Dynamic change of spot numbers as well as thestructure of the spot cluster is studied in terms of the collective flow ofcharge, and discussed as chaotic itinerancy

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