- 94-269 P. Duclos,B. Meller
- A SIMPLE MODEL FOR PREDISSOCIATION
(45K, LATeX)
Aug 1, 94
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Abstract. We analyse a very simple class of one dimensional two by two matrix
Schr\"odinger operators. Their diagonal part has embedded eigenvalues in the
continuous spectrum which become resonances when the off-diagonal part is turned
on. Our analysis is semiclassical and contains a regular perturbative calculus of these resonances, asymptotics of the Fermi rule contribution to the width of these as well as lower bounds on the corresponding life time.\par
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