Tunneling Mediated by 2D + 1 Conical Waves in a 1D Lattice

, , and . Physical Review Letters 101 (1): 013601 (2008)


The propagation of 2D+1 wave packets in 1D band gap systems shows that the interplay of periodicity and nonlinearity leads to the spontaneous formation of fast and slow conical localized waves. Such nonlinear tunneling has features that differ on the two edges of the band gap and it is characterized by the competition of bullets and nonlinear X waves.

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