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arXiv 2009.02426quant-ph
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How fast is a quantum jump?

Luis de la Peña, Ana María Cetto, Andrea Valdés-Hernández

英文摘要:

A proposal is put forward for an estimate of the duration of a transition between atomic states. The proposal rests on the consideration that a resonance of the atomic electron with modes of the zero-point radiation field of Compton's frequency is at the core of the phenomenon. The theoretical result, given essentially by the expression (αω_{C})^{-1}, where αis the fine structure constant and ω_{C} the Compton angular frequency for the electron, lies well within the range of the recently experimentally estimated values of the order of attoseconds (10^{-18} s).

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