# Universality of the nonphononic vibrational spectrum across different classes of computer glasses

12 May 2020 Richard David González-López Karina Kapteijns Geert Pater Robert Vaknin Talya Bouchbinder Eran Lerner Edan

It has been recently established that the low-frequency spectrum of simple computer glass models is populated by soft, quasilocalized nonphononic vibrational modes whose frequencies $\omega$ follow a gapless, universal distribution ${\cal D}(\omega)\!\sim\!\omega^4$. While this universal nonphononic spectrum has been shown to be robust to varying the glass history and spatial dimension, it has so far only been observed in simple computer glasses featuring radially-symmetric, pairwise interaction potentials... (read more)

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# Categories

• SOFT CONDENSED MATTER
• STATISTICAL MECHANICS