Corpus ID: 235732337

Low-frequency excess vibrational modes in two-dimensional glasses

  title={Low-frequency excess vibrational modes in two-dimensional glasses},
  author={Lijin Wang and Grzegorz Szamel and Elijah Flenner},
Glasses possess more low-frequency vibrational modes than predicted by Debye theory. These excess modes are crucial for the understanding of the low temperature thermal and mechanical properties of glasses, which differ from those of crystalline solids. Recent simulational studies suggest that the density of the excess modes scales with their frequency ω as ω in two and higher dimensions. Here, we present extensive numerical studies of two-dimensional model glass formers over a large range of… Expand

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