Establishes Breit-Wigner-type asymptotics for spectral density, scattering cross-section, and average time delay near simple embedded eigenvalues in finite-rank multi-parameter perturbations of the Laplacian on L2(R^3).
Shape-resonance in spectral density, scatter- ing cross-section, time delay, and bound on sojourn time,
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Multi-parameter Perturbations of the Laplacian and Resonance Near a Simple Embedded Eigenvalue
Establishes Breit-Wigner-type asymptotics for spectral density, scattering cross-section, and average time delay near simple embedded eigenvalues in finite-rank multi-parameter perturbations of the Laplacian on L2(R^3).