Abstract
This paper shows that three decaying atoms prepared in a particular entangled state may instead display a ``birth'', ``death'' and ``revival'' of the spontaneously emitted photon. A ``birth'' manifests itself in an initially zero photon detection probability, for a ``death'' the photon detection probability vanishes after starting from a maximum value, to reappear again (``revival'').
Highlights
Collapse and revival occur for many phenomena in quantum physics appearing in different aspects and forms [1,2,3,4,5,6,7]
Three identical two-level atoms in free space prepared in particular entangled single-photon excited states display a “birth,” “death,” and a nonperiodic “revival” of spontaneous emission in selected directions
The photon detection probability decreases in particular directions from an initially maximal value to completely disappear (“death”) and to reappear again (“revival”)
Summary
Collapse and revival occur for many phenomena in quantum physics appearing in different aspects and forms [1,2,3,4,5,6,7]. Death, and revival of spontaneous emission in a three-atom system We show how these phenomena can be induced in the fully excited system, by projecting the atomic ensemble into the required entangled single-photon excited state via detection of the first two spontaneously emitted photons.
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