Solving modified TOV equations in an anti-screened K-essence scalar-tensor theory, the authors find two solution branches per central density and a critical density cutoff, producing mass-radius predictions that can match neutron star observations.
Analytical Representation for Equations of State of Dense Matter
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We present an analytical unified representation for 22 equations of state (EoS) of dense matter in neutron stars. Such analytical representations can be useful for modeling neutron star structure in modified theories of gravity with high order derivatives.
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Neutron Stars in Causal Scalar-Tensor Theories
Solving modified TOV equations in an anti-screened K-essence scalar-tensor theory, the authors find two solution branches per central density and a critical density cutoff, producing mass-radius predictions that can match neutron star observations.