Kastner, Ruth (2025) Where Photons Have Been: Nowhere Without All Components of Their Wavefunctions. [Preprint]

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Abstract

A nested interferometer experiment by Danan et al (2013) is discussed and some ontological implications explored, primarily in the context of time-symmetric interpretations of quantum theory. It is pointed out that photons are supported by all components of their wavefunctions, not selectively truncated "first order" portions of them, and that figures representing both a gap in the photon's path and signals from the cut-off path are incorrect. It is also noted that the Transactional Formulation (traditionally known as the Transactional Interpretation) readily accounts for the observed phenomena.

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Item Type:	Preprint
Creators:	Creators Email ORCID Kastner, Ruth rkastner@umd.edu
Keywords:	Weak values, photons, interferometer, post-selection
Subjects:	General Issues > Scientific Metaphysics General Issues > Confirmation/Induction Specific Sciences > Physics > Quantum Mechanics
Depositing User:	Ruth E. Kastner
Date Deposited:	27 Mar 2025 14:45
Last Modified:	27 Mar 2025 14:45
Item ID:	24952
Subjects:	General Issues > Scientific Metaphysics General Issues > Confirmation/Induction Specific Sciences > Physics > Quantum Mechanics
Date:	25 March 2025
URI:	https://philsci-archive.pitt.edu/id/eprint/24952

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