Theory of Neutral-Ionic Transition in Organic Crystals.II.Effect of the Intersite Coulomb Interaction

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概要

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• The effects of the Coulomb interaction V (Madelung energy) between nearestneighbor sites on the neutral-ionic (Nl) transition are studied. The transition becomesdiscontinuous due to this collective interaction. The degree of charge transfer p,charge transfer gap E.., magnetic gap E... and imaginary-time current-current cor-relation function (which is related to the charge transfer absorption spectrum) arecalculated by the quantum Monte Carlo simulation. From these results, we propose anew kind of elementary excitation -neutral-Tonic domain wall (NIDW) -discussingthe breakdown of the conventional exciton picture near the transition point.

• 社団法人日本物理学会の論文
• 1986-08-15

著者

• TAKIMOTO Jun-ichi

  Institute for Molecular Science

• Nagaosa Naoto

  Institute For Solid State Physics University Of Tokyo

• Takimoto Jun-ichi

  Institute for Molecular Science,Nishigonaka

関連論文

• Gas Kinetic Approach for Electron-Ion Recombination Rate Constant in Dense Media
• Theory of Neutral-lonic Transition in Organic Crystals.I.Monte Carlo Simulation of Modified Hubbard Model
• Theory of Neutral-Ionic Transition in Organic Crystals.IV. Phenomenological Viewpoint
• Theory of Neutral-Ionic Transition in Organic Crystals.II.Effect of the Intersite Coulomb Interaction
• Theory of Neutral-Ionic Transition in Organic Crystals.III.Effect of the Electron-Lattice Interaction
• Competition between Electron-Electron and Electron-Lattice Interactions : Four-Site-Four-Electron Model

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