Quantum Measurement Bounds beyond the Uncertainty Relations
In quantum mechanics, the Heisenberg uncertainty relations and the Cramér-Rao inequalities typically limit the precision in the estimation of a parameter through the standard deviation of a conjugate observable. Here we extend these relations by giving a bound to the precision of a parameter in term...
Main Authors: | Giovannetti, Vittorio, Lloyd, Seth, Maccone, Lorenzo |
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Other Authors: | Massachusetts Institute of Technology. Department of Mechanical Engineering |
Format: | Article |
Language: | en_US |
Published: |
American Physical Society
2012
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Online Access: | http://hdl.handle.net/1721.1/73516 |
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