Conformational fluctuations of polymers in a melt associated with glass transition

Nobuyuki Iwaoka, Hiroshi Takano

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Article number035002
JournalJournal of the Physical Society of Japan
Issue number3
Publication statusPublished - 2017

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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