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- W2022779734 abstract "We prove that the Mellin transform of a function log-concave (convex) is, after division by Γ(ν+1), where ν is the argument of the transform, itself log-concave (convex) in ν. This theorem is first applied to the moments of the ground state wave function of the Schrödinger equation where the Laplacian of the central potential has a given sign, and generalized to other situations. This is used to derive inequalities linking thel th derivative of the ground state wave function at the origin for angular momentuml and the expectation value of the kinetic energy, and applied to quarkonium physics. A generalization to higher radial excitations is shown to be plausible by using the WKB approximation. Finally, new bounds on ground-state energies in power potentials are obtained." @default.
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- W2022779734 date "1990-12-01" @default.
- W2022779734 modified "2023-09-23" @default.
- W2022779734 title "Preservation of logarithmic concavity by the Mellin transform and applications to the Schrödinger equation for certain classes of potentials" @default.
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