Causally symmetric Bohm model


Abstract
The aim of this paper is to construct a version of Bohm’s model that also includes the existence of backwards-in-time influences in addition to the usual forwards causation. The motivation for this extension is to remove the need in the existing model for a preferred reference frame. As is well known, Bohm’s explanation for the nonlocality of Bell’s theorem necessarily involves instantaneous changes being produced at space-like separations, in conflict with the “spirit” of special relativity even though these changes are not directly observable. While this mechanism is quite adequate from a purely empirical perspective, the overwhelming experimental success of special relativity (together with the theory’s natural attractiveness), makes one reluctant to abandon it even at a “hidden” level. There are, of course, trade-offs to be made in formulating an alternative model and it is ultimately a matter of taste as to which is preferred. However, constructing an explicit example of a causally symmetric formalism allows the pros and cons of each version to be compared and highlights the consequences of imposing such symmetry. In particular, in addition to providing a natural explanation for Bell nonlocality, the new model allows us to define and work with a mathematical description in 3-dimensional space, rather than configuration space, even in the correlated many-particle case.
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Reprint years 2006, 2008
DOI 10.1016/j.shpsb.2008.04.004
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References found in this work BETA

The Transactional Interpretation of Quantum Mechanics.John G. Cramer - 1986 - Reviews of Modern Physics 58 (3):647-687.
Density Formalism for Quantum Theory.Roderick I. Sutherland - 1998 - Foundations of Physics 28 (7):1157-1190.

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Citations of this work BETA

New Slant on the EPR-Bell Experiment.Peter Evans, Huw Price & Ken Wharton - 2013 - British Journal for the Philosophy of Science 64 (2):297-324.
Toy Models for Retrocausality.Huw Price - 2008 - Studies in Studies in History and Philosophy of Modern Physics 39 (4):752-761.
Does Time-Symmetry Imply Retrocausality? How the Quantum World Says “Maybe”?Huw Price - 2012 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 43 (2):75-83.
On Predictions in Retro-Causal Interpretations of Quantum Mechanics.Joseph Berkovitz - 2008 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 39 (4):709-735.
Retrocausality at No Extra Cost.Peter William Evans - 2015 - Synthese 192 (4):1139-1155.

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