Abhomotopy Groups and Creation-Annihilation of Defects in Ordered Media : General and Mathematical Physics
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概要
- 論文の詳細を見る
In condensed matter physics, the homotopy theory has been applied to the problem of defects in ordered media. It is powerful tool especially for the classification of point or line defects^<5)> and ring defects.^<)6>. For point or line defects, π_1(Y) or π_2(y) is appropriate, where Y is an order parameter space. For ring defects, a group τ_2(Y), which is the homotopy set of mappings from R^3＼{unknotted ring}into Y with a multiplication rule, is essential._<1),6)>We consider a higher dimensional version of τ_2(y), abhomotopy groups,^<3)> and propose a method for discerning the creation-annihilation of defects in ordered media.
- 理論物理学刊行会の論文
- 1989-03-25
著者
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HAYASHI Kenji
Max-Planck-Institut fur Physik und Astrophysik Munchen
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Hayashi K
北海道大学水産科学研究科
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HAYASI Kenji
Institute of Physics, University of Tokyo
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Hayashi Kiyoshi
Faculty Of Commerce Meiji University
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Hayashi Kenji
Institute Of Physicsm Kitasato University
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Hayashi Kenji
Max-planck Institut Fur Physik Und Astrophysik
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HAYASHI Kenji
Institute of Physics, University of Tokyo
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HAYASHI Kenji
Institute of Physics, Kitasato University
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HAYASHI Kenji
Institute of Physics, Tokyo University
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HAYASHI kiyoshi
Faculty of Commerce, Meiji University
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