The vibron dressing in α-helicoidal macromolecular chains

D.evizovi; S. Galovi; A. Reshetnyak; Z. Ivi

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The vibron dressing in α-helicoidal macromolecular chains

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We present a study of the physical properties of the vibrational excitation in α-helicoidal macromolecular chains,caused by the interaction with acoustical and optical phonon modes. The influence of the temperature and the basic systemparameters on the vibron dressing have been analyzed by employing the simple mean-field approach based on the variationalextension of the Lang-Firsov unitary transformation. The applied approach predicts a region in system parameter spacewhere one has an abrupt transition from a partially dressed (light and mobile) to a fully dressed (immobile) vibron state.We found that the boundary of this region depends on system temperature and the type of bond among structural elementsin the macromolecular chain.

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来源
《中国物理：英文版》 |2013年第6期|218-227|共10页
作者
D.evizovi; S. Galovi; A. Reshetnyak; Z. Ivi;
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作者单位

University of Belgrade;

Vina Institute of Nuclear Sciences Laboratory for Theoretical and Condensed Matter Physics;

P. O. Box 522;

11001 Belgrade;

Serbia;

Joint Institute for Nuclear Research Bogoliubov Laboratory for Theoretical Physics;

Dubna;

Russia;

Laboratory of Non-Linear Media Physics;

Institute of Strength Physics and Materials Science;

Tomsk;

634021;

Russia;

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原文格式 PDF
正文语种 chi
中图分类分子的性质及其测定;
关键词
vibron; small-polaron; α-helix; partial dressing;

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The vibron dressing in α-helicoidal macromolecular chains

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