2011

Generalisations of the recent Pusey-Barrett-Rudolph theorem for statistical models of quantum phenomena

Hall, Michael J. W.

Understand

Pusey, Barrett and Rudolph (PBR) have recently given a completely novel argument that restricts the class of possible models for quantum phenomena (arXiv:1111.3328).

  • In these notes the assumptions used by PBR are considerably weakened, to further restrict the class of possible models.
  • The `factorisability' assumption used by PBR is replaced by a far weaker `compatibility' assumption for uncorrelated quantum subsystems which, moreover, does not require the assignation of separate underlying properties to each subsystem (i.e, reductionism).
  • Further, it is shown that an assumption of measurement independence may be dropped to obtain a related result having the same experimental significance (at the expense of a weaker conceptual significance).

Built on

  • Bohr has been famously quoted as saying “Those who are not shocked when they first come across quantum theory cannot possibly have understood it”, in W. Heisenberg, Physics and Beyond

    1965

    Earlier work this paper cites.

  • e.g., J. S. Bell, Physics 1

    1969

    Earlier work this paper cites.

Similar

Then

  • C. Branciard, N. Gisin and S. Pironio, Phys. Rev. Lett. 104

    2010

    Later among the works it cites.

  • e.g., M.J.W. Hall, Phys. Rev. A 84

    2011

    Closest in time.

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