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|Title:||Quantum Zeno effect of general quantum operations|
|Citation:||Li, Y., Herrera-Martí, D.A., Kwek, L.C. (2013-10-16). Quantum Zeno effect of general quantum operations. Physical Review A - Atomic, Molecular, and Optical Physics 88 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.88.042321|
|Abstract:||In this paper, we show that the quantum Zeno effect can occur for generalized quantum measurements or operations. As a consequence of frequently performing nonselective measurements (or trace-preserving completely positive maps), the evolution of a certain measurement-invariant state is governed by an effective Hamiltonian defined by the measurement (or map) and the free-evolution Hamiltonian. For selective measurements, the state may change randomly with time according to measurement outcomes, but some physical quantities (operators) still evolve according to the effective Hamiltonian. © 2013 American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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