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Source: Physica status solidi B. 2019. Vol. 256, № 1. P. 1800061 (1-7)
Type: статьи в журналах
Date: 2019
Description:
With the help of molecular dynamics simulations, delocalized nonlinear vibrational modes (DNVM) in graphene are analyzed. Such modes are dictated by the lattice symmetry, they are exact solutions to t
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Source: Surface science. 2019. Vol. 679. P. 1-5
Type: статьи в журналах
Date: 2019
Description:
It is known that defect-free crystals having a wide gap in the phonon spectrum can support gap discrete breathers (DB) being spatially localized large amplitude vibrational modes with frequencies with
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