Spectral asymptotics induced by approaching and diverging planar circles

  • Sylwia Kondej

    University of Zielona Góra, Poland
Spectral asymptotics induced by approaching and diverging planar circles cover

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Abstract

We consider two dimensional system governed by the Hamiltonian with delta interaction supported by two concentric circles separated by distance . We analyze the asymptotics of the discrete eigenvalues for as well as for .