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In https://file.scirp.org/pdf/OPJ_2016111414355792.pdf, a Bell test using circularly-polarized photons is reported. The data shows that coincidences happen in the reverse handedness predicted by quantum mechanics, i.e. The mean probability of the two photons having the same circular polarization has been 13.7% instead of about %85.

Does this contradict QM and Bell's theorem, or this result is still compatible with QM and impossibility of local hidden variables?

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  • $\begingroup$ Please add context and information so as to make your question self-contained, so people don’t to read a 9-page paper. $\endgroup$ – ZeroTheHero Jan 27 at 3:25
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This is too long for a comment and doesn’t provide a direct answer to your question but consider:

  1. Scientific Research Publishing is very probably a predatory publisher. The Wiki article highlights some controversies which do not give much confindence in papers published there.
  2. The bibliography of said paper is by no means comprehensive and overlooks other classic experimental results, v.g. Weihs, Gregor, et al. "Violation of Bell's inequality under strict Einstein locality conditions." Physical Review Letters 81.23 (1998): 5039 or Hensen, Bas, et al. "Loophole-free Bell inequality violation using electron spins separated by 1.3 kilometres." Nature 526.7575 (2015): 682. Both of these papers have accumulated over 1000 GoogleScholar citations, whereas the one you refer to has apparently received none: if the result had been of significance it would be cited.
  3. Note that this type of result is usually published in prime-time journals, as exemplified by the previous papers.
  4. Note how quickly the paper was accepted after submission, apparently without revisions, raising concerns about the thoroughness of the refereeing process,
  5. Note that this type of work is usually done in teams
  6. A GoogleScholar search of this author reveals lots of patents but very little in peer-reviewed publications in top journals.

Conclusion: don’t waste your time on this: if it had any value it wouldn’t be published where it was.

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