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Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.101.044058
Abstract: We analyze the early-time isotropic cosmology in the so-called energy-momentum-squared gravity (EMSG). In this theory, a $T_{\mu\nu}T^{\mu\nu}$ term is added to the Einstein-Hilbert action, which has been shown to replace the initial singularity by a…
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Keywords:
solution;
squared gravity;
cosmology;
energy momentum ... See more keywords
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Published in 2022 at "Physical Review D"
DOI: 10.1103/physrevd.105.044014
Abstract: In this paper, we introduce the post-Minkowskian approximation of energy-momentum-squared gravity (EMSG). This approximation is used to study the gravitational energy flux in the context of EMSG. As an application of our results, we investigate…
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Keywords:
momentum squared;
squared gravity;
energy momentum;
energy ... See more keywords
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Published in 2021 at "International Journal of Modern Physics A"
DOI: 10.1142/s0217751x21500044
Abstract: This paper investigates the dynamics of spherical collapse in the framework of energy–momentum squared gravity. This theory overcomes the big-bang singularity and provides viable cosmological conse...
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Keywords:
dynamics spherical;
squared gravity;
energy momentum;
momentum squared ... See more keywords