01-35 Martinez A., Nakamura S. , Sordoni V.

Phase Space Tunneling in Multispace Scattering (50K, LATeX) Jan 25, 01

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Abstract. We prove exponentially small estimates on the off-diagonal terms of the scattering matrix associated to two-state semiclassical Schr\"odinger Hamiltonians. Our method is based on phase space tunneling estimates and a splitting of the operator by means of Toeplitz-type phase space cut-off operators.

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