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Effects of isovector scalar meson on hyperon star

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arxiv 1602.08888 v1 pith:VLVQDLUG submitted 2016-02-29 nucl-th

S. K. Biswal , Bharat Kumar , S. K. Patra This is my paper · ORCID
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keywords starmesondeltaneutronhyperoneffectsmassmaximum
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abstract

We study the effects of isovector-scalar ($\delta$)-meson on neutron star. Influence of $\delta$-meson on both static and rotating neutron star is discussed. Inclusion of $\delta$-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 $\delta$-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 $\delta-$meson.

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