Quantum Zeno effect by incomplete measurements

  • Manchao Zhang
  • Chunwang Wu
  • Yi Xie
  • Wei Wu
  • Pingxing ChenEmail author


A measurement process needs a time duration in many actual cases, such as the measurement on atomic system by the electron shelving technique. If this timescale is deficient, the measurement would be incomplete. Here, we investigate the quantum Zeno effect by incomplete measurements. We show that an efficient freeze of the quantum state by incomplete measurements is available. And interestingly, this state freeze can be more significant than that obtained in the complete measurement case if the parameters of incomplete measurements are properly set.


Quantum Zeno effect Quantum measurements Atomic system 



This work is supported by the National Basic Research Program of China under Grant No. 2016YFA0301903; the National Natural Science Foundation of China under Grants No. 11174370, No. 11304387, No. 61632021, No. 11305262, No. 11574398 and No. 61205108; and the Research Plan Project of National University of Defense Technology under Grant No. ZK16-03-04.


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Authors and Affiliations

  1. 1.Department of PhysicsCollege of Liberal Arts and Sciences, National University of Defense TechnologyChangshaChina
  2. 2.State Key Laboratory of High Performance ComputingNational University of Defense TechnologyChangshaChina

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