Nonaffinity in amorphous solids close to the jamming transition
Division of Physics and Applied Physics, School of Physics and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371.
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Published online: 30 June 2017
Nonaffinity is known to be an integral part of the response of amorphous solids. Its role is particularly relevant in particulate systems close to their jamming transition, where it dominates the elastic response. Thus, to determine the elastic properties of amorphous solids it is essential to rationalize the features of their nonaffine response. Via numerical simulations we investigate the relation between the non affine response and the vibrational properties of model amorphous materials. We show that, contrary to previous speculations, modes below the Boson peak are those mostly responsible for the nonaffine response.
© The Authors, published by EDP Sciences, 2017
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