Discreteness and the transmission of light from distant sources

Fay Dowker, Joe Henson, and Rafael D. Sorkin
Phys. Rev. D 82, 104048 – Published 23 November 2010

Abstract

We model the classical transmission of a massless scalar field from a source to a detector on a background causal set. The predictions do not differ significantly from those of the continuum. Thus, introducing an intrinsic inexactitude to lengths and durations—or more specifically, replacing the Lorentzian manifold with an underlying discrete structure—need not disrupt the usual dynamics of propagation.

  • Figure
  • Received 11 October 2010

DOI:https://doi.org/10.1103/PhysRevD.82.104048

© 2010 The American Physical Society

Authors & Affiliations

Fay Dowker1, Joe Henson2, and Rafael D. Sorkin2

  • 1Blackett Laboratory, Imperial College, London SW7 2AZ, United Kingdom
  • 2Perimeter Institute, 31 Caroline Street N., Waterloo, N2L 2Y5, Canada

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Issue

Vol. 82, Iss. 10 — 15 November 2010

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