Domino Effects in Photoinduced Structural Change in One-Dimensional Systems
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概要
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The possibility of' occtrrrence of cooperative structtrral changes is investigated trsing a nainimalmodel cotnposed of localized electrons and c1?rssical lattices trnder the adiabatic approxiraaation.In partictrlar, the relaxation after one-photon absorption at a site is examined in detail. Thisrelaxation proceeds in two steps. First, a local structural change is created dtue to the latticerelaxation associated with the local electronic excitation. After the spontaneous enaission of 21photon, this local structural change (a) reunains locally, (b) induces a global strttctural changecooperatively, or (c) disappears and rettrrns to the initial phase, Dynautaical features of the case(b) are shown to be characterized by the domino effect. This global strtrcttrral change occtrrsonly when the intersite interaction is short-ranged and naoderately strong.
- 社団法人日本物理学会の論文
- 1998-07-15
著者
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Koshino Kazuki
Department Of Physics Tohoku University:institute Of Physics University Of Tokyo
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Ogawa Tetsuo
Department Of Anatomy I Showa University School Of Medicine
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Ogawa Tetsuo
Department Of Physics Tohoku University:"structure And Transformation" Presto Japan Scienc
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