Abstract
We prove an adiabatic theorem applicable to an atom evolving in a slowly varying electric field. This yields an operational estimate of the tunneling rate even for systems where complex scaling techniques are not applicable.
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Davies, E.B. An adiabatic theorem applicable to the stark effect. Commun.Math. Phys. 89, 329–339 (1983). https://doi.org/10.1007/BF01214658
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DOI: https://doi.org/10.1007/BF01214658