Cosmological models in energy-momentum-squared gravity

We study the cosmological effects of adding terms of higher order in the usual energy-momentum tensor to the matter Lagrangian of general relativity. This is in contrast to most studies of higher-order gravity which focus on generalizing the Einstein-Hilbert curvature contribution to the Lagrangian....

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Veröffentlicht in:	Physical review. D 2017-12, Vol.96 (12), Article 123517
Hauptverfasser:	Board, Charles V. R., Barrow, John D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Astronomical models Cosmology Curvature Momentum Quantum gravity Relativity Singularities Tensors
Online-Zugang:	Volltext
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