Phys. Rev. Lett. 70, 3369–3372 (1993)Lorentz-invariant ‘‘elements of reality’’ and the joint measurability of commuting observablesReceived 28 January 1993; published in the issue dated 31 May 1993 It is shown that joint measurements of certain commuting operators, performed on pre- and postselected quantum systems, invariably disturb each other. This result is applied to recent assertions that quantum theory has no realistic Lorentz-invariant interpretation (even without requiring locality). © 1993 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.70.3369
DOI:
10.1103/PhysRevLett.70.3369
PACS:
03.65.Bz
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