Open AccessBreaking the Heisenberg limit with inefficient detectors
Author(s) -
José David Beltrán,
Alfredo Luis
Publication year - 2005
Publication title -
physical review a
Language(s) - English
Resource type - Journals
eISSN - 1094-1622
pISSN - 1050-2947
DOI - 10.1103/physreva.72.045801
Subject(s) - physics , semiclassical physics , heisenberg limit , limit (mathematics) , detector , nonlinear system , quantum mechanics , mathematical physics , statistical physics , theoretical physics , quantum , optics , mathematical analysis , quantum computer , quantum network , mathematics
We analyze the performance of nonlinear detection schemes surpassing the Heisenberg limit with semiclassical input states when using realistic detectors having nonunit detection efficiency
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