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Causal Set Theory Is (Strongly) Causal

Baron, Samuel and Le Bihan, Baptiste (2025) Causal Set Theory Is (Strongly) Causal. Foundations of Physics, 55 (63).

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Abstract

Causal Set Theory (CST) is a promising approach to fundamental physics that seems to treat causation as a basic posit. But in exactly what sense is CST causal? We argue that if the growth dynamics is interpreted as a physical process, then CST employs relations of actual causation between causal set elements, whereby elements bring one another into existence. This is important, as it provides a better sense of how CST works, highlights important differences from general relativity—where relations between spacetime points are typically seen as cases of mere causal connectibility rather than actual causation of the relevant type—and points toward a specific understanding of the emergence of spacetime within CST.


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Item Type: Published Article or Volume
Creators:
CreatorsEmailORCID
Baron, Samuelsamuel.baron@uwa.edu.au0000-0003-4000-3276
Le Bihan, Baptistebaptiste.lebihan@unige.ch0000-0002-1245-1373
Keywords: causal set theory, causation, causal, metaphysics, interventionism, growth, quantum gravity
Subjects: General Issues > Scientific Metaphysics
General Issues > Causation
General Issues > Laws of Nature
Specific Sciences > Physics > Quantum Gravity
Depositing User: Dr. Baptiste Le Bihan
Date Deposited: 25 Jul 2025 13:22
Last Modified: 25 Jul 2025 13:22
Item ID: 26019
Journal or Publication Title: Foundations of Physics
Official URL: https://link.springer.com/article/10.1007/s10701-0...
DOI or Unique Handle: https://doi.org/10.1007/s10701-025-00875-w
Subjects: General Issues > Scientific Metaphysics
General Issues > Causation
General Issues > Laws of Nature
Specific Sciences > Physics > Quantum Gravity
Date: 2025
Volume: 55
Number: 63
URI: https://philsci-archive.pitt.edu/id/eprint/26019

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