Nonlinear edge modes in a honeycomb electrical lattice near the Dirac points
F. Palmero,
L. Q. English,
J. Cuevas-Maraver
et al.
Abstract:We examine -both experimentally and numerically -a two-dimensional nonlinear driven electrical lattice with honeycomb structure. Drives are considered over a range of frequencies both outside (below and above) and inside the band of linear modes. We identify a number of discrete breathers both existing in the bulk and also (predominantly) ones arising at the domain boundaries, localized either along the arm-chair or along the zig-zag edges. The types of edge-localized breathers observed and computed emerge in … Show more
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