• K B Sinha

      Articles written in Proceedings – Mathematical Sciences

    • Spectra of Anderson type models with decaying randomness

      M Krishna K B Sinha

      More Details Abstract Fulltext PDF

      In this paper we consider some Anderson type models, with free parts having long range tails and with the random perturbations decaying at different rates in different directions and prove that there is a.c. spectrum in the model which is pure. In addition, we show that there is pure point spectrum outside some interval. Our models include potentials decaying in all directions in which case absence of singular continuous spectrum is also shown.

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