2 papers
cond-mat.mtrl-sci2003
Character of Atomic Vibrations in a Lennard-Jones Glass
Philip B. Allen, W. Garber, L. Angelani
Lennard-Jones glasses (made on a computer by quenching from liquid state coordinates) are studied in harmonic approximation. Vibrational eigenfrequencies and eigenvectors are found…
cond-mat.dis-nn2001
Numerical Study of the Localization-Delocalization Transition for Vibrations in Amorphous Silicon
William Garber, Folkert M. Tangerman, Philip B. Allen +1
Numerical studies of amorphous silicon in harmonic approximation show that the highest 3.5% of vibrational normal modes are localized. As vibrational frequency increases through th…