Are waves with negative spatial damping unstable?
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DOI: 10.1016/j.wavemoti.2020.102612
Abstract: Abstract Conventional plane harmonic waves decay in direction of propagation, but unconventional harmonic waves grow in the direction of propagation. While a single unconventional wave cannot be a solution to a physically meaningful boundary value… read more here.
Keywords: damping unstable; waves negative; spatial damping; solution ... See more keywords