Zeno dynamics in wave-packet diffraction spreading

Details Zeno dynamics in wave-packet diffraction spreading Zeno dynamics in wave-packet diffraction spreading

2011-10-22

arxiv.org/abs/1110.4963v2

Phys. Rev. A 84, 052109 (2011)

Physics

Optics

7 pages, 8 figures

Scientific paper

10.1103/PhysRevA.84.052109

We analyze a simple and feasible practical scheme displaying Zeno, anti-Zeno, and inverse-Zeno effects in the observation of wave-packet spreading caused by free evolution. The scheme is valid both in spatial diffraction of classical optical waves and in time diffraction of a quantum wave packet. In the optical realization, diffraction spreading is observed by placing slits between a light source and a light-power detector. We show that the occurrence of Zeno or anti-Zeno effects depends just on the frequency of observations between the source and detector. These effects are seen to be related to the diffraction mode theory in Fabry-Perot resonators.

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