Loophole-free Bell test using electron spins in diamond: second experiment and additional analysis

Hensen, B. J.; Kalb, Norbert; Blok, Machiel; Dréau, A.; Reiserer, Andreas; Vermeulen, R. F. L.; Schouten, R. N.; Markham, Matthew; Twitchen, Daniel J.; Goodenough, Kenneth; Elkouss, David; Wehner, Stephanie; Taminiau, T. H.; Hanson, Ronald K.

doi:10.1038/srep30289

Cited by 83 publications

(94 citation statements)

References 40 publications

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“…Hensen et al address the distribution of randomness for setting choices in the experimental data, arguing that it is fair and uniform [40]. However, the counts they provide are insufficient to expose the anomaly reported here.…”

Section: Effect Of Anomalous Postselection On Bell Test Resultsmentioning

confidence: 95%

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Rhetoric, logic, and experiment in the quantum nonlocality debate

Graft

2017

Open Physics

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This paper argues that quantum nonlocality (QNL) has not been rigorously proven, despite the existence of recent Einstein-Podolsky-Rosen-Bohm (EPRB) experiments that are claimed to be 'loophole-free'. First, readers are alerted to rhetorical arguments, which are unfortunately often appealed to in the QNL debate, to empower readers to identify and reject such arguments. Second, logical problems in QNL proofs are described and exemplified by a discussion of the projection postulate problem. Third, experimental issues are described and exemplified by a discussion of the postselection problem. The paper concludes that QNL has not been proven and that locality cannot be excluded.

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Section: Effect Of Anomalous Postselection On Bell Test Resultsmentioning

confidence: 95%

“…One could consider analyzing the second run of the Hensen et al experiment [40] to see if similar postselection appears. However, Hensen et al concede that an equipment failure occurred in the middle of the run, placing the previously recorded data in doubt.…”

Section: Effect Of Anomalous Postselection On Bell Test Resultsmentioning

confidence: 99%

Rhetoric, logic, and experiment in the quantum nonlocality debate

Graft

2017

Open Physics

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“…[9,10]. This is the largest distance scale at which entanglement has been direcly checked in this way until now.…”

Section: The Uncertainties About Entanglementmentioning

confidence: 99%

“…Although there is no practical incompatibility between relativity and Quantum Mechanics for the description of standard matter and QFT is a successful approach, the combination of both theories has nontrivial implications such as excluding most local hidden variable approaches to QM [9,10].…”

Section: On Alternatives To Standard Theoriesmentioning

confidence: 99%

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Quantum Mechanics, vacuum, particles, Gödel-Cohen incompleteness and the Universe

Gonzalez‐Mestres

2017

EPJ Web Conf.

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Abstract. Are the standard laws of Physics really fundamental principles? Does the physical vacuum have a more primordial internal structure? Are quarks, leptons, gauge bosons... ultimate elementary objects? These three basic questions are actually closely related. If the deep vacuum structure and dynamics turn out to be less trivial than usually depicted, the conventional "elementary" particles will most likely be excitations of such a vacuum dynamics that remains by now unknown. We then expect relativity and quantum mechanics to be low-energy limits of a more fundamental dynamical pattern that generates them at a deeper level. It may even happen that vacuum drives the expansion of the Universe from its own inner dynamics. Inside such a vacuum structure, the speed of light would not be the critical speed for vacuum constituents and propagating signals. The natural scenario would be the superbradyon (superluminal preon) pattern we postulated in 1995, with a new critical speed c s much larger than the speed of light c just as c is much larger than the speed of sound. Superbradyons are assumed to be the bradyons of a super-relativity associated to c s (a Lorentz invariance with c s as the critical speed). Similarly, the standard relativistic space-time with four real coordinates would not necessarily hold beyond low-energy and comparatively local distance scales. Instead, the spinorial space-time (SST) with two complex coordinates we introduced in 1996-97 may be the suitable one to describe the internal structure of vacuum and standard "elementary" particles and, simultaneously, Cosmology at very large distance scales. If the constituents of the preonic vacuum are superluminal, quantum entanglement appears as a natural property provided c s c . The value of c s can even be possibly found experimentally by studying entanglement at large distances. It is not excluded that preonic constituents of vacuum can exist in our Universe as free particles ("free" superbradyons), in which case we expect them to be weakly coupled to standard matter. If a preonic vacuum is actually leading the basic dynamics of Particle Physics and Cosmology, and standard particles are vacuum excitations, the Gödel-Cohen incompleteness will apply to vacuum dynamics whereas the conventional laws of physics will actually be approximate and have error bars. We discuss here the possible role of the superbradyonic vacuum and of the SST in generating Quantum Mechanics, as well as the implications of such a dynamical origin of the conventional laws of Physics and possible evidences in experiments and observations. Black holes, gravitational waves, possible "free" superbradyons or preonic waves, unconventional vacuum radiation... are considered from this point of view paying particular attention to LIGO, VIRGO and CERN experiments. This lecture is dedicated to the memory of John Bell

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Test of the no‐signaling principle in the Hensen loophole‐free CHSH experiment

Adenier

Khrennikov

2017

Fortschritte der Physik

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We analyze the data from the loophole-free CHSH experiment performed by Hensen et al, and show that it is actually not exempt of an important loophole. By increasing the size of the sample of event-ready detections, one can exhibit in the experimental data a violation of the no-signaling principle with a statistical significance at least similar to that of the reported violation of the CHSH inequality, if not stronger.

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Loophole-free Bell test using electron spins in diamond: second experiment and additional analysis

Cited by 83 publications

References 40 publications

Rhetoric, logic, and experiment in the quantum nonlocality debate

Rhetoric, logic, and experiment in the quantum nonlocality debate

Quantum Mechanics, vacuum, particles, Gödel-Cohen incompleteness and the Universe

Test of the no‐signaling principle in the Hensen loophole‐free CHSH experiment

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