Time-energy uncertainty does not create particles


In this contribution in honour of Paul Busch, we criticise the claims of many expositions that the time-energy uncertainty principle allows both a violation of energy conservation, and particle creation, provided that this happens for a sufficiently short time. But we agree that there are grains of truth in these claims: which we make precise and justify using perturbation theory.



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Author Profiles

Bryan W. Roberts
London School of Economics
Jeremy Butterfield
Cambridge University

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