Quantum Zeno subspaces

Abstract

The quantum Zeno effect is recast in terms of an adiabatic theorem when the measurement is described as the dynamical coupling to another quantum system that plays the role of apparatus. A few significant examples are proposed and their practical relevance discussed. We also focus on decoherence-free subspaces.

5 pages, 1 figure, to be published in Phys. Rev. Lett

References in corpus (7)

• Observation of the Quantum Zeno and Anti-Zeno effects in an unstable system
• Inhibition of Decoherence due to Decay in a Continuum
• Zeno dynamics yields ordinary constraints
• Quantum Zeno phenomena: pulsed versus continuous measurement
• Quantum Zeno Effect in Trapped Ions
• Inverse Quantum Zeno Effect in Quantum Oscillations
• Quantum Zeno effects with "pulsed" and "continuous" measurements

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