Séminaire du LPTMS: Claudio Benzoni (TU Muenchen)
Rayleigh edge waves in two-dimensional chiral crystals
Claudio Benzoni (Technische Universitaet Muenchen)
Meeting ID: 940 9301 2897 — Password: 464951
We investigate, within the framework of linear elasticity theory, edge Rayleigh waves of a two-dimensional elastic solid which breaks time-reversal and parity symmetries due to the Coriolis-Lorentz force. We find that the direction of propagation of the Rayleigh modes is determined not only by the sign of the magnetic field but also by the Poisson ratio of the elastic system. We discover three qualitatively different regions distinguished by the chirality of the low-frequency edge waves and study their universal properties. To illustrate the Rayleigh edge-waves in real time we have carried out finite-difference simulations of the model.
https://arxiv.org/abs/2004.09517
Date/Time : 02/06/2020 - 11:00 - 12:00
Location : Salle des séminaires du FAST et du LPTMS, bâtiment Pascal n°530
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