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The roads not taken: empty waves, wavefunction collapse and protective measurement in quantum theory

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Peter Holland, University of Oxford In this contribution we shall be concerned with two classes of interpretations of quantum mechanics: the epistemological (the historically dominant view) and the ontological. The first views the wavefunction as just a repository of (statistical) information on a physical system. The other treats the wavefunction primarily as an element of physical reality, whilst generally retaining… Read more →

Entanglement, scaling, and the meaning of the wave function in protective measurement

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Maximilian Schlosshauer and Tangereen V. B. Claringbold (University of Portland) We examine the entanglement and state disturbance arising in a protective measurement and argue that these inescapable effects doom the claim that protective measurement establishes the reality of the wave function. An additional challenge to this claim results from the exponential number of protective measurements required to reconstruct multi-qubit states…. Read more →

Weekly Papers on Quantum Foundations (40)

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This is a list of this week’s papers on quantum foundations published in the various journals or uploaded to the preprint servers such as arxiv.org and PhilSci Archive. Contrary Inferences in Consistent Histories and a Set Selection Criterion Latest Results for Foundations of Physics on 2014-10-04 12:00am GMT Abstract The best developed formulation of closed system quantum theory that handles… Read more →