Replacing the Notion of Spacetime Distance by the Notion of Correlation

Author:

Kempf Achim

Abstract

Spacetime is conventionally viewed as a stage on which actors, in the form of massive and massless matter, move. In this study, we explore what may lie beyond this picture. The starting point is the observation that quantum field fluctuations are the more strongly correlated the shorter their spacetime distance. The notion of spacetime distance can, therefore, be replaced by the notion of correlation strength. This suggests a new picture in which the abstract 2-point and multi-point correlations are the primary structure, a picture which is essentially information-theoretic. In the low energy regime, the secondary notions of spacetime and of matter would then emerge as approximate representations of the abstract correlators, namely, in the form of Feynman rules on curved spacetime.

Publisher

Frontiers Media SA

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics,Materials Science (miscellaneous),Biophysics

Reference51 articles.

1. KempfA ViennaA video recording of this talk held on June 1Oral Presentation at the Workshop Interplay of Quantum Information, Foundations and Gravity, May 28 - June 1, 2018 at the Austrian Academy of Sciences

2. Aspects of Quantum Field Theory in Curved Space-Time

3. Quantum Fields in Curved Space

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