Conformational fluctuations of polymers in a melt associated with glass transition

Nobuyuki Iwaoka, Hiroshi Takano

研究成果: Article査読

抄録

The conformational fluctuations of a glassy short polymer melt are studied by coarse-grained molecular dynamics simulations and principal component analysis (PCA). The distribution of PCA eigenvalues, which measure static fluctuations of the polymers, shows a clear difference between above and below the conventional glass transition temperature Tg. The approximate conformational entropy of the polymers also indicates a transition near Tg. This is evidence that the static properties of polymers in the melt signal the glass transition.

本文言語English
論文番号035002
ジャーナルJournal of the Physical Society of Japan
86
3
DOI
出版ステータスPublished - 2017

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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