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Robertson-Schroedinger type formulation of Ozawa's noise-disturbance uncertainty principle
- Source :
- Phys. Rev. A 89, 042112 (2014)
- Publication Year :
- 2013
-
Abstract
- In this work we derive a matrix formulation of a noise-disturbance uncertainty relation, which is akin to the Robertson-Schr\"odinger uncertainty principle. Our inequality is stronger than Ozawa's uncertainty principle and takes noise-disturbance correlations into account. Moreover, we show that, for certain types of measurement interactions, it is covariant with respect to linear symplectic transformations of the noise and disturbance operators.<br />Comment: 5 pages, revtex4
- Subjects :
- Quantum Physics
High Energy Physics - Theory
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. A 89, 042112 (2014)
- Publication Type :
- Report
- Accession number :
- edsarx.1310.4762
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevA.89.042112