Pattern formation in a simple model of photochemical reaction

Hidetsugu Sakaguchi, Daishiro Kijima, Shunsuke Chatani, Toshiaki Hattori

    研究成果: Contribution to journalArticle

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    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.

    元の言語英語
    記事番号124001
    ジャーナルjournal of the physical society of japan
    80
    発行部数12
    DOI
    出版物ステータス出版済み - 12 2011

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy(all)

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