COSMOLOGICAL CONSTANT AND NONCOMMUTATIVITY: A NEWTONIAN POINT OF VIEW-Reference-Cited by-同舟云学术

COSMOLOGICAL CONSTANT AND NONCOMMUTATIVITY: A NEWTONIAN POINT OF VIEW

Published:2005-03-28 Issue:10 Volume:20 Page:781-790
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

ROMERO JUAN M.¹,SANTIAGO J. A.²

Affiliation:

1. Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México. Apdo. Postal 70-543, 04510 México, D.F., México

2. Centro de Investigación Avanzada en Ingeniería Industrial, Universidad Autónoma del Estado de Hidalgo, Apdo. Postal 42090, Pachuca, Hidalgo, México

Abstract

We study a Newtonian cosmological model in the context of a noncommutative space. It is shown that the trajectories of a test particle undergo modifications such that it no longer satisfies the cosmological principle. For the case of a positive cosmological constant, spiral trajectories are obtained and corrections to the Hubble constant appear. It is also shown that, in the limit of a strong noncommutative parameter, the model is closely related to a particle in a Gödel-type metric.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732305016373

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