Xu, NingWyart, MatthieuLiu, Andrea J.Nagel, Sidney R.2016-10-182016-10-182016-10-18200710.1103/PhysRevLett.98.175502https://infoscience.epfl.ch/handle/20.500.14299/130524Excess Vibrational Modes and the Boson Peak in Model Glassestext::journal::journal article::research article