Abstract
Neutron stars and incompressible fluid spheres are considered in the Jordan-Brans-Dicke theory. It is shown that their parameters (mass, radius, surface redshift) do not differ appreciably from the corresponding Einstein values even for ω = 0and various semi-realistic equations of state. For incompressible fluid spheres the differences between both theories of gravitation are most pronounced. We find an apparent instability of the incompressible fluid.
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Hillebrandt, W., Heintzmann, H. Neutron stars and incompressible fluid spheres in the Jordan-Brans-Dicke theory of gravitation. Gen Relat Gravit 5, 663–672 (1974). https://doi.org/10.1007/BF00761924
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DOI: https://doi.org/10.1007/BF00761924