On the location of the essential spectrum of Schrödinger operators

Metafune, Giorgio; Pallara, Diego

doi:10.1090/S0002-9939-01-06271-2

On the location of the essential spectrum of Schrödinger operators
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by Giorgio Metafune and Diego Pallara PDF

Proc. Amer. Math. Soc. 130 (2002), 1779-1786 Request permission

Abstract:

We give estimates on the bottom of the essential spectrum of Schrödinger operators $-\Delta +V$ in $L^2(\mathbf {R}^N)$.

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