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A formulation unveils the connection between lifetime and energy width of excited states, indicating a refined understanding of uncertainty relations.
A new formulation of the uncertainty relation of position and momentum, and of energy and time, is presented. The connection between the lifetime of excited states and the energy width of these states, which does not follow from the usual uncertainty relation, is shown to be a consequence of the expression here derived.
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Bauer et al. (1976) studied this question.
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