Haag's theorem: proposed resolution

I'm in the process of drafting a paper on resolving the problems associated with Haag's theorem: Haag, R. (1955). “On quantum field theories,” Matematisk-fysiske Meddelelser, 29, 12. This involves resurrecting direct-action theories as a possible account of how Nature really works. It is perhaps not well known that John Wheeler himself was attempting to resurrect the direct action approach in... Read more →

New Schedule of First iWorkshop on the Meaning of the Wave Function

  Saturday, October 25, 2014 MDT (UTC-6): 2pm-3:30pm Richard Healey (University of Arizona): The meaning of the wave function Discussion method: text chat   Sunday, October 26, 2014 CDT (UTC-5): 7.30pm-9pm Valia Allori (Northern Illinois University): Primitive Ontology in a Nutshell Presentation and Discussion method: Skype voice + text chat   Monday, October 27, 2014 EDT (UTC-4): 2pm-3.30pm Lee Smolin (Perimeter Institute... Read more →

Bell non-locality, Hardy’s paradox and hyperplane dependence

Gordon N. Fleming Submitted to “Quantum Nonlocality and Reality – 50 Years of Bell’s theorem” I argue, in section 4, that the ‘elements of reality’ of Hardy’s famous gedanken experiment can retain their Lorentz invariance, i.e., their frame independence, if one recognizes the hyperplane dependence of their localization. This requires avoiding the conflation of hyperplane dependence with frame dependence, which... Read more →

Weekly Papers on Quantum Foundations (42)

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. Inhomogeneities from quantum collapse scheme without inflation. (arXiv:1410.4212v1 [gr-qc]) gr-qc updates on arXiv.org on 2014-10-18 8:32am GMT In this work, we consider the problem of the emergence of seeds of cosmic structure... Read more →

Weekly Papers on Quantum Foundations (41)

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. Gravitational Waves and Perspectives for Quantum Gravity. (arXiv:1410.2581v1 [gr-qc]) gr-qc updates on arXiv.org on 2014-10-10 2:16am GMT Understanding the role of higher derivatives is probably one of the most relevant questions in... Read more →

A possible definition of a Realistic Physics Theory

Nicolas Gisin (University of Geneva) Submitted to “90 Years of Quantum Mechanics” A definition of a Realistic Physics Theory is proposed based on the idea that, at all time, the set of physical properties possessed (at that time) by a system should unequivocally determine the probabilities of outcomes of all possible measurements. Full text

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

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 →