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Phys. Rev. A 59, 126–130 (1999)

Nonlocality, counterfactuals, and quantum mechanics

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W. Unruh
Program in Cosmology and Gravity of CIAR, Department of Physics and Astronomy, University of British Columbia, Vancouver, Canada V6T 1Z1

Received 10 October 1997; published in the issue dated January 1999

Stapp [Am. J. Phys. 65, 300 (1997)] has recently argued from a version of the Hardy-type experiments that quantum mechanics must be nonlocal, independent of any additional assumptions such as realism or hidden variables. I argue either that his conclusions do not follow from his assumptions or that his assumptions are not true of quantum mechanics and can be interpreted as assigning an unwarranted level of reality to the value of certain quantum attributes.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.59.126
DOI:
10.1103/PhysRevA.59.126
PACS:
03.65.Bz

See Also

Comment: Henry P. Stapp, Comment on “Nonlocality, counterfactuals, and quantum mechanics”, Phys. Rev. A 60, 2595 (1999).

Reply: W. G. Unruh, Reply to “Comment on ‘Nonlocality counterfactuals, and quantum mechanics’ ”, Phys. Rev. A 60, 2599 (1999).