Model for Self-Trapping of Excitons with Internal Degrees of Freedom

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概要

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• A new tmodel of the sunall polaron for sttudying the self-trapping and the off-center instabilityof excitons is presented. The uaaodel consists of 2111 exciton with two internal states, l.s and 2p,coupled with two lattice distortion unodes, the synanaetric and the antisyraa?auetric uaaodes. Thestable and rnetastable states of the exciton-lattice system are calculated ntunaerically witlain theadiabatic approxitaaation, The obtained phase diagratn shows the inter-relation between the twotypes of' synanaetry breaking, naraaely the breaking of the trsrnslational symttaetry (self-trapping)and the breaking of' inversion symrnetry (off'-center instability) in a trnified way.

• 社団法人日本物理学会の論文
• 1998-10-15

著者

• Kayanuma Yosuke

  College Of Engineering Osaka Prefecture University

• NOBA Ken-ichi

  College of Engineering,Osaka Prefecture University

• Noba Ken-ichi

  College Of Engineering Osaka Prefecture University

関連論文

• Generalized Interaction Mode
• Effects of the Core Hole Potential on the B 1s Emission in Hexagonal BN
• Effect of Coulomb Interaction in the Resonant X-Ray Emission Spectra of Hexagonal BN
• Numerically Rigorous Results for the Ground State of Exciton-Lattice Systems
• Spatial Coherence of Core Holes in Resonant X-Ray Emission for a Model of Diatomic Molecule with Dephasing
• Model for Self-Trapping of Excitons with Internal Degrees of Freedom
• On the Line Shape of Phonon Side-Band in Photo-Absorption of Localized Centers

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