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Standing wave instabilities in a chain of nonlinear coupled oscillators
Physica D, no. 1-2 (2002): 53-94
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We consider existence and stability properties of nonlinear spatially periodic or quasiperiodic standing waves (SWs) in one-dimensional lattices of coupled anharmonic oscillators. Specifically, we consider Klein-Gordon (KG) chains with either soft (e.g., Morse) or hard (e.g., quartic) on-site potentials, as well as discrete nonlinear Schr...更多
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