Analytic black-hole solutions are reconstructed via conservation laws from variational symmetries in symmetric teleparallel scalar-tensor gravity, and the theory is shown to support viable compact-star interiors matched to extremal Reissner-Nordström exteriors.
Heisenberg, Phys
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In quadratic curvature-matter coupled gravity, strange stars described by the MIT bag equation of state can attain a maximum mass of 3.11 solar masses, exceeding the general-relativistic limit and potentially accounting for the lighter companion in GW190814.
Weylian boundary terms generate geometric dark energy whose Friedmann equations match observations when a Barboza-Alcaniz equation of state is imposed.
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Compact Stars in Symmetric Teleparallel Scalar-Tensor Gravity
Analytic black-hole solutions are reconstructed via conservation laws from variational symmetries in symmetric teleparallel scalar-tensor gravity, and the theory is shown to support viable compact-star interiors matched to extremal Reissner-Nordström exteriors.
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Maximum mass limit of strange stars in quadratic curvature-matter coupled gravity
In quadratic curvature-matter coupled gravity, strange stars described by the MIT bag equation of state can attain a maximum mass of 3.11 solar masses, exceeding the general-relativistic limit and potentially accounting for the lighter companion in GW190814.
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Dark energy and accelerating cosmological evolution in a Universe with a Weylian boundary
Weylian boundary terms generate geometric dark energy whose Friedmann equations match observations when a Barboza-Alcaniz equation of state is imposed.