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Precedence and freedom in quantum physics (Open Review Paper)

Lee Smolin (Perimeter Institute for Theoretical Physics) A new interpretation of quantum mechanics is proposed according to which precedence, freedom and novelty play central roles. This is based on a modification of the postulates for quantum theory given by Masanes and Muller. We argue that quantum mechanics is uniquely characterized as the probabilistic theory in which individual systems have maximal... Read more →

Remembering John Bell

Roman Jackiw Department of Physics, Massachusetts Institute of Technology John Bell and I met and became acquainted in 1967, when I went to CERN for a year-long research visit, soon after finishing my doctoral studies a Cornell. At that time, particle physics theory was dominated, as it happens from time-to-time, by a single idea; there was broad agreement among theorists... Read more →

Weekly Papers on Quantum Foundations (38)

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 and PhilSci Archive. Nonclassical Paths in Quantum Interference Experiments PRL: General Physics: Statistical and Quantum Mechanics, Quantum Information, etc. on 2014-9-19 2:00pm GMT Author(s): Rahul Sawant, Joseph Samuel, Aninda Sinha, Supurna Sinha, and Urbasi Sinha... Read more →

First iWorkshop on the Meaning of the Wave Function

First iWorkshop on the Meaning of the Wave Function

During recent years, there is increasing interest in the ontological status and meaning of the wave function, and it seems that there is even a shift in research focus from the measurement problem to the problem of interpreting the wave function. This motivates us to organize an online workshop on the meaning of the wave function. The workshop aims to... Read more →

Leggett-Garg Inequalities, Pilot Waves and Contextuality (Open Review Paper)

Proud to support the new journal! Here is my first submission: note on Leggett-Garg 4. Abstract: In this paper we first analyse Leggett and Garg's argument to the effect that macroscopic realism contradicts quantum mechanics. After making explicit all the assumptions in Leggett and Garg's reasoning, we argue against the plausibility of their auxiliary assumption of non-invasive measurability, using Bell's construction... Read more →

IJQF website is mobile ready

Our IJQF website has been upgraded to improve its speed and user experience. Moreover, the site is mobile ready. You can now visit the site with an iPad or a smart phone. For example, mobile visitors are able to navigate through the website and browse the Latest Papers on Quantum Foundations. Thanks to Frederick Townes and Sami Keijonen for their wonderful work!

The PBR theorem seen from the eyes of a Bohmian

The aim of this paper is to present an analysis of the new theorem by Pusey, Barrett and Rudolph (PBR) concerning ontic and epistemic hidden variables in quantum mechanics [Nature Phys. 8, 476 (2012)]. This is a kind of review and defense of my previous critical analysis done in the context of Bohmian mechanics. This is also the occasion for me to review some of... Read more →

IJQF launches preprint service

Although IJQF has a feed engine to search Latest Papers on Quantum Foundations worldwide and updates the list of papers daily, it is more convenient and helpful for members to upload their preprints and papers on quantum foundations in their IJQF blogs. Once these papers have been posted in the blogs, they are immediately visible to all members, and more importantly, other members can discuss... Read more →

The Philosophical Foundations of Dualities in Physics

A conference on The Philosophical Foundations of Dualities in Physics (co-organised by Elena Castellani and Dean Rickles) will take place at DILEF (Dipartimento di Lettere e Filosofia), via Bolognese 52, Florence, on the 15 and 16 of September, 2014. The workshop is part of a Studies in the History and Philosophy of Modern Physics special issue project on the foundations of... Read more →