Theory of Indirect Dephasing for a Vibrating Molecule in Dense Mediums.III

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概要

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• The dephasing of a high-frequency intramolecular vibrational mode in amolecular crystal is successively investigated by the cumulant perturbationexpansion method as in the preceding papers in this series, I and II. The dephasingof the high-frequency mode is brought on by the thermal excitation of a low-frequency mode in the same molecule as in I and l'l. In this paper, however, theintramolecular vibrational modes are expressed by 1.he bands of the exciton wavestraveling through the crystal (in I and II, the intramolecular vibrational modes areexpressed by the localized excitation in one molecule). The calculation showsthat the spectrum becomes considerably broad as the temperature increases,while the narrowing is observed as the band widths of the exciton waves increases.

• 一般社団法人日本物理学会の論文
• 1983-10-15

著者

• Hiroike Eiko

  Department of Chemistry, Faculty of Science, Tohoku University

関連論文

• Indirect Nuclear Spin-Spin Couplings in Saturated Hydrocarbon Molecules
• Theory of Indirect Dephasing for a Vibrating Molecule in Dense Mediums.III
• Effect of Electron Correlation on Long-Range Proton Ssin-Spin Couplings in Saturated Hydrocarbon Molecules

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