Exponential decay of the critical points in a discrete model of polyacetylene
arXiv:2308.00145 · doi:10.1088/1361-6544/ad8c8d
Abstract
In this paper we consider stationary states of the SSH model for infinite polyacetylene chains that are homoclinic or heteroclinic connections between two-periodic dimerized states. We prove that such connections converge exponentially fast to the corresponding asymptotic periodic states.
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