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Perfect Zeno-like effect through imperfect measurements at a finite frequency

Quantum Physics 2015-02-13 v2 Mathematical Physics math.MP

Abstract

The quantum Zeno effect is usually thought to require infinitely frequent and perfect projective measurements to freeze the dynamics of quantum states. We show that perfect freezing of quantum states can also be achieved by more realistic non-projective measurements performed at a finite frequency.

Keywords

Cite

@article{arxiv.1410.3826,
  title  = {Perfect Zeno-like effect through imperfect measurements at a finite frequency},
  author = {David Layden and Eduardo Martin-Martinez and Achim Kempf},
  journal= {arXiv preprint arXiv:1410.3826},
  year   = {2015}
}

Comments

7 pages, 1 figure, RevTeX 4.1. v2: Updated to match published version