Embedded eigenvalues of generalized Schrodinger operators
journal contributionposted on 09.09.2020 by Jean-Claude Cuenin
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We provide examples of operators T(D)+V in L2(Rd) with decaying potentials that have embedded eigenvalues. The decay of the potential depends on the curvature of the (Fermi) surfaces of constant kinetic energy T. We make the connection to counterexamples in Fourier restriction theory.
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- Mathematical Sciences