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Weyl's principle, cosmic time and quantum fundamentalism

Rugh, Svend E. and Zinkernagel, Henrik (2010) Weyl's principle, cosmic time and quantum fundamentalism. [Preprint]


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We examine the necessary physical underpinnings for setting up the cosmological standard model with a global cosmic time parameter. In particular, we discuss the role of Weyl's principle which asserts that cosmic matter moves according to certain regularity requirements. After a brief historical introduction to Weyl's principle we argue that although the principle is often not explicitly mentioned in modern standard texts on cosmology, it is implicitly assumed and is, in fact, necessary for a physically well-defined notion of cosmic time. We finally point out that Weyl's principle might be in conflict with the wide-spread idea that the universe at some very early stage can be described exclusively in terms of quantum theory.

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Item Type: Preprint
Rugh, Svend E.
Zinkernagel, Henrik
Additional Information: To appear in the section on "Physical and philosophical perspectives on probability and time" in S. Hartmann et al. (eds.) "Explanation, Prediction and Confirmation", Springer's The Philosophy of Science in a European Perspective book series.
Keywords: Time, Cosmology, Classicality, Quantum Mechanics
Subjects: Specific Sciences > Physics > Cosmology
Specific Sciences > Physics > Relativity Theory
Specific Sciences > Physics > Quantum Mechanics
Depositing User: Henrik Zinkernagel
Date Deposited: 30 Jun 2010
Last Modified: 07 Oct 2010 15:19
Item ID: 5451

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