Late-time cosmology without dark sector but with closed string massless sector

We explore the possibility of solving the dark energy and the coincidence problems by postulating the massless sector of closed strings. This sector constitutes the gravitational multiplet of string theory and, when applied to four-dimensional cosmology, predicts that the expansion of an open Univer...

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Bibliographic Details
Main Authors: Hocheol Lee, Jeong-Hyuck Park, Liliana Velasco-Sevilla, Lu Yin
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269324007731
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