Mathematics – Analysis of PDEs
Scientific paper
2010-09-30
Mathematics
Analysis of PDEs
5 pages
Scientific paper
In this note, we prove an optimal universal lower bound on the truncated
resolvent for semiclassical Schroedinger operators near a trapping energy. In
particular, this shows that known upper bounds for hyperbolic trapping are
optimal. The proof rely on an idea of X. P. Wang, and on propagation of
coherent states for Ehrenfest times.
Bony Jean-Francois
Burq Nicolas
Ramond Thierry
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