The Quantum Cosmological Constant

We present an extension of general relativity in which the cosmological constant becomes dynamical and turns out to be conjugate to the Chern−Simons invariant of the Ashtekar connection on a spatial slicing. The latter has been proposed Soo and Smolin as a time variable for quantum gravity...

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Bibliographic Details
Main Authors: Stephon Alexander, Joao Magueijo, Lee Smolin
Format: Article
Language:English
Published: MDPI AG 2019-09-01
Series:Symmetry
Subjects:
Online Access:https://www.mdpi.com/2073-8994/11/9/1130