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    • On perturbation of eigenvalues embedded at thresholds in a two channel model

      Arne Jensen

      Volume 112 Issue 1 February 2002 pp 107-116

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pmsc/112/01/0107-0116

    • Keywords

       

      Schrödinger operator; perturbation theory; threshold eigenvalue; two channel model

    • Abstract

       

      We present some results on the perturbation of eigenvalues embedded at thresholds in a two channel model Hamiltonian with a small off-diagonal perturbation. Examples are given of the various types of behavior of the eigenvalue under perturbation.

    • Author Affiliations

       

      Arne Jensen1

      1. Graduate School of Mathematical Sciences, University of Tokyo, 3-8-1 Komaba,Meguro-ku, Tokyo - 153-8914, Japan

    • Dates

       
      Published
      February 2002

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