Microlocalization of resonant states and estimates of the residue of the scattering amplitude
Jean-François Bony, Laurent Michel (2003)
Journées équations aux dérivées partielles
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We obtain some microlocal estimates of the resonant states associated to a resonance of an -differential operator. More precisely, we show that the normalized resonant states are outside the set of trapped trajectories and are in the incoming area of the phase space. As an application, we show that the residue of the scattering amplitude of a Schrödinger operator is small in some directions under an estimate of the norm of the spectral projector. Finally we prove...