Pattern formation in a simple model of photochemical reaction

Hidetsugu Sakaguchi, Daishiro Kijima, Shunsuke Chatani, Toshiaki Hattori

    研究成果: ジャーナルへの寄稿学術誌査読

    抄録

    Stripe and columnar patterns were experimentally found in photopolymer films during irradiation of collimated UV light. We numerically study a similar pattern formation using a simple model of photochemical reaction. Microstuctures are self-organized owing to a new type of instability induced by the coupling between the refraction effect and the photochemical reaction. We perform two- and three-dimensional numerical simulations of model equations, and analyze the self-organized structures using concepts in nonlinear physics such as absolute instability and a soliton. Finally, we propose a more realistic model of photopolymerization. We found a spatially periodic columnar structure with numerical simulation, which is qualitatively similar to the pattern formation in the simple model.

    本文言語英語
    論文番号124001
    ジャーナルjournal of the physical society of japan
    80
    12
    DOI
    出版ステータス出版済み - 12月 2011

    !!!All Science Journal Classification (ASJC) codes

    • 物理学および天文学(全般)

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