POINT SPECTRUM OF SCHRODINGER OPERATOR FOR TWO CONNECTED SEMICRYSTALS WITH KRONIG-PENNEY POTENTIALS
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Spectral problem for two connected one-dimensional semicrystals is considered in the framework of Kronig-
Penney model. Two variants of this connection are studied. The dispersion equations are obtained. The existence of bound states is shown. The dependence of the eigenvalues in the system parameters is described. The monodromy matrix technique is used.