Phys. Rev. A 61, 022105 (2000) [5 pages]Quantum anti-Zeno effectReceived 11 January 1999; published 10 January 2000 We demonstrate that near-threshold decay processes may be accelerated by repeated measurements. Examples include near-threshold photodetachment of an electron from a negative ion, and spontaneous emission in a cavity close to the cutoff frequency or in a photon band-gap material. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.61.022105
DOI:
10.1103/PhysRevA.61.022105
PACS:
03.65.Bz
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