Universally valid reformulation of the Heisenberg uncertainty principle on noise and disturbance in measurement

@article{Ozawa2002UniversallyVR,
  title={Universally valid reformulation of the Heisenberg uncertainty principle on noise and disturbance in measurement},
  author={Masanao Ozawa},
  journal={Physical Review A},
  year={2002},
  volume={67},
  pages={042105},
  url={https://api.semanticscholar.org/CorpusID:42012188}
}
  • M. Ozawa
  • Published 19 July 2002
  • Physics
  • Physical Review A
The Heisenberg uncertainty principle states that the product of the noise in a position measurement and the momentum disturbance caused by that measurement should be no less than the limit set by Planck’s constant \/2 as demonstrated by Heisenberg’s thought experiment using a g-ray microscope. Here it is shown that this common assumption is not universally true: a universally valid trade-off relation between the noise and the disturbance has an additional correlation term, which is redundant… 
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