It is shown that the lower bound in the uncertainty relation for joint position-momentum measurements is twice as large as that in the usual Heisenberg uncertainty principle for separate measurements.
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Stulpe, W., Gudder, S. & Hagler, J. An uncertainty relation for joint position-momentum measurements. Found Phys Lett 1, 287–292 (1988). https://doi.org/10.1007/BF00690069
- Joint position-momentum measurements
- uncertainty relation