On the Apparent Discretization of Spacetime and Its Connection with the Cosmological Constant

Author:

Giné Jaume1ORCID,Luciano Giuseppe Gaetano2ORCID

Affiliation:

1. Departament de Matemàtica, Universitat de Lleida, Av. Jaume II, 69, 25001 Lleida, Spain

2. Department of Chemistry, Physics and Environmental and Soil Sciences, Escola Politecninca Superior, Universitat de Lleida, Av. Jaume II, 69, 25001 Lleida, Spain

Abstract

The emergence of a minimal observable length of order of the Planck scale is a prediction of many quantum theories of gravity. However, the question arises as to whether this is a real fundamental length affecting nature in all of its facets, including spacetime. In this work, we show that the quantum measurement process implies the existence of a minimal measurable length and consequently the apparent discretization of spacetime. The obtained result is used to infer the value of zero-point energy in the universe, which is found to be in good agreement with the observed cosmological constant. This potentially offers some hints towards the resolution of the cosmological constant problem.

Funder

Agencia Estatal de Investigación

AGAUR

Ministerio de Universidades

European Union—NextGenerationEU

Publisher

MDPI AG

Reference66 articles.

1. Green, M.B., Schwarz, J.H., and Witten, E. (1988). Superstring Theory. Volume 1: Introduction, Cambridge Univeristy Press. Cambridge Monographs on Mathematical Physics.

2. String theory: A perspective over the last 25 years;Mukhi;Class. Quant. Grav.,2011

3. M theory (The Theory formerly known as strings);Duff;Int. J. Mod. Phys. A,1996

4. Brane world;Kakushadze;Nucl. Phys. B,1999

5. Loop quantum gravity;Rovelli;Living Rev. Rel.,1998

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