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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A Poincaré-covariant vector-vector contact interaction yields an equation of state for strange quark matter whose mass-radius and tidal properties match pulsar and gravitational-wave constraints for two tuned parameter sets.
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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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A Poincar\'e-covariant study of strange quark stars
A Poincaré-covariant vector-vector contact interaction yields an equation of state for strange quark matter whose mass-radius and tidal properties match pulsar and gravitational-wave constraints for two tuned parameter sets.