96-310 J. Asch and P. Briet
Lower Bounds on the Width of Stark--Wannier Type Resonances (32K, LaTeX) Jun 22, 96
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Abstract. We prove that the Schr\"odinger operator $-d^2/dx^2+Fx+W(x)$ on $L^2({\bf R})$ with $W$ bounded and analytic in a strip has no resonances in a region ${\hbox{\rm Im }} E\ge-\exp{(-C/F)}$.

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