The Zeno and anti-Zeno effects on decay in dissipative quantum systems

Details The Zeno and anti-Zeno effects on decay in dissipative quantum systems The Zeno and anti-Zeno effects on decay in dissipative quantum systems

1999-12-16

arxiv.org/abs/quant-ph/9912077v1

acta physica slovaca 49 (1999) 541-548 (the title there is ``Decay control in dissipative quantum systems'')

Physics

Quantum Physics

8 pages, 5 figures

Scientific paper

We point out that the quantum Zeno effect, i.e., inhibition of spontaneous
decay by frequent measurements, is observable only in spectrally finite
reservoirs, i.e., in cavities and waveguides, using a sequence of
evolution-interrupting pulses or randomly-modulated CW fields. By contrast,
such measurements can only accelerate decay in free space.

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