Effects of isovector scalar meson on hyperon star
Abstract
We study the effects of isovector-scalar (δ)-meson on neutron star. Influence of δ-meson on both static and rotating neutron star is discussed. Inclusion of δ-meson in a neutron star system consisting of proton, neutron and electron, make the equation of state stiffer in higher density and consequently increases the maximum mass of the star. But induction of δ-meson in the hyperon star decreases the maximum mass of the hyperon star. This is due to the early evolution of hyperons in presence of δ-meson.
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