Abstract:
Let A be a periodic Schrödinger operator and let V 0≥ 0 be a decaying potential. We study the number of the eigenvalues of the operator A(α) =A−αV 0 inside a fixed interval (λ1,λ2). We obtain an asymptotic formula for as α→∞.
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Received: 12 September 2000 / Accepted: 22 November 2000
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Safronov, O. The Discrete Spectrum¶of the Perturbed Periodic Schrödinger Operator¶in the Large Coupling Constant Limit. Commun. Math. Phys. 218, 217–232 (2001). https://doi.org/10.1007/s002200100388
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DOI: https://doi.org/10.1007/s002200100388