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MATRIX ELEMENTS OF ELECTRON INTERACTION IN POLYMER

CHEN HONG-YI SUN XIN WU CHANG-QIN FU RONG-TANG FU ROU-LI

MATRIX ELEMENTS OF ELECTRON INTERACTION IN POLYMER

CHEN HONG-YI, SUN XIN, WU CHANG-QIN, FU RONG-TANG, FU ROU-LI
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  • Received Date:  02 April 1990
  • Published Online:  28 June 2005

MATRIX ELEMENTS OF ELECTRON INTERACTION IN POLYMER

  • 1. (1)Department of Physics,University of Texas.Austin.Texas 78712,USA.; (2)复旦大学物理系,上海,200433; (3)中国科学技术大学结构分析开放研究实验室,合肥,230026; (4)中国科学院上海技术物理研究所红外物理国家实验室,上海,200081

Abstract: In order to explain why the enhancement or reduction of dimerization of polymer is only determined by the range of electron interaction, the diagonal and off-diagoal matrix elements of screened Coulomb interaction are calculated, and it is shown that the off-diagonal matrix elements are getting more and more important when the interaction range decreases. The Competition between the off-diagonal and diagonal interactions causes the transition from enhancement of dimerization to reduction.

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