Stability band structure for periodic states in periodic potentials
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DOI: 10.1016/j.apnum.2018.05.007
Abstract: A class of periodic solutions of the nonlinear Schrodinger equation with non- Hermitian potentials are considered. The system may be implemented in planar nonlinear optical waveguides carrying an appropriate distribution of local gain and loss,… read more here.
Keywords: states periodic; periodic potentials; periodic states; stability ... See more keywords
Edge States of a Periodic Chain with Four-Band Energy Spectrum
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DOI: 10.7566/jpsj.86.074712
Abstract: Tight-binding model on a finite chain is studied with four-fold alternated hopping parameters t1,2,3,4. Imposing the open boundary conditions, the corresponding recursion is solved analytically with special attention paid to the occurrence of edge states.… read more here.
Keywords: chain; periodic chain; chain four; states periodic ... See more keywords