Opérateurs de temps-retard dans la théorie de la diffusion
Approximation semi-classique de l'équation de Heisenberg
L'opérateur de temps-retard dans la théorie de la diffusion
Resonances of N-body Schrödinger operators with stark effect
Puits multiples pour l'opérateur de Dirac
Time-decay of scattering solutions and classical trajectories
Time-delay operators in semiclassical limit, finite range potentials
Embedded eigenvalues and resonances of Schrödinger operators with two channels
In this article, we give a necessary and sufficient condition in the perturbation regime on the existence of eigenvalues embedded between two thresholds. For an eigenvalue of the unperturbed operator embedded at a threshold, we prove that it can produce both discrete eigenvalues and resonances. The locations of the eigenvalues and resonances are given.
Corrigendum to: Asymptotic expansion in time of the Schrödinger group on conical manifolds
We correct an error in the normalizing constant of resonant states.
Asymptotic expansion in time of the Schrödinger group on conical manifolds
For Schrödinger operator on Riemannian manifolds with conical end, we study the contribution of zero energy resonant states to the singularity of the resolvent of near zero. Long-time expansion of the Schrödinger group is obtained under a non-trapping condition at high energies.
Étude semi-classique d'observables quantiques
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