Volume 102, Number 2, April 2013
|Number of page(s)||4|
|Published online||03 May 2013|
The quantum Zeno paradox: A matter of information
Institut für Laser-Physik, Universität Hamburg - Jungiusstr. 9, D-20355 Hamburg, Germany, EU
Received: 15 January 2013
Accepted: 7 April 2013
The origin of the quantum Zeno paradox is critically re-evaluated. It is demonstrated, that the observation of expectation values, in particular of reduced decay constants, cannot qualify as the proof of a quantum Zeno effect. Rather, the detection of the transition times of individual quantum objects provides necessary and sufficient evidence.
PACS: 03.65.Xp – Tunneling, traversal time, quantum Zeno dynamics / 42.50.Ex – Optical implementations of quantum information processing and transfer
© EPLA, 2013
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