Universal joint-measurement uncertainty relation for error bars

Abstract

We formulate and prove a new, universally valid uncertainty relation for the necessary errors bar widths in any approximate joint measurement of position and momentum.

Version 2 has minor corrections and a new reference

References in corpus (3)

• Positive operator valued measures covariant with respect to an irreducible representation
• On the coexistence of position and momentum observables
• Intrinsic unsharpness and approximate repeatability of quantum measurements

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