David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
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Philosophy of Science 74 (5):1007-1018 (2007)
David Deutsch and others have suggested that the Many-Worlds Interpretation of quantum mechanics is the only interpretation capable of explaining the special efficiency quantum computers seem to enjoy over classical ones. I argue that this view is not tenable. Using a toy algorithm I show that the Many-Worlds Interpretation must crucially use the ontological status of the universal state vector to explain quantum computational efficiency, as opposed to the particular ontology of the MWI, that is, the computational histories of worlds. As such, any other interpretation that treats the state vector as representing real ontological features of a system can explain quantum speedup too. ‡Thanks to Soazig Le Bihan for her critical comments on this paper. †To contact the author, please write to: Department of Philosophy, Liberal Arts 101, University of Montana, Missoula, MT 59812; e-mail: firstname.lastname@example.org.
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References found in this work BETA
Rob Clifton (1996). On What Being a World Takes Away. Philosophy of Science 63 (3):158.
David Deutsch (1997). The Fabric of Reality. Allan Lane.
Armond Duwell (2004). How to Teach an Old Dog New Tricks: Quantum Information, Quantum Computing, and the Philosophy of Physics. Dissertation, University of Pittsburgh
A. M. Steane (2003). A Quantum Computer Only Needs One Universe. Studies in History and Philosophy of Science Part B 34 (3):469-478.
Citations of this work BETA
Michael E. Cuffaro (2012). Many Worlds, the Cluster-State Quantum Computer, and the Problem of the Preferred Basis. Studies in History and Philosophy of Science Part B 43 (1):35-42.
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