We give estimates on the bottom of the essential spectrum of Schrödinger operators − Δ + V -\Delta +V in L 2 ( R N ) L^2(\mathbf {R}^N) .
CITATION STYLE
Metafune, G., & Pallara, D. (2001). On the location of the essential spectrum of Schrödinger operators. Proceedings of the American Mathematical Society, 130(6), 1779–1786. https://doi.org/10.1090/s0002-9939-01-06271-2
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