(Anti)kaon condensation in strongly magnetized dense matter

Abstract

Recent observations of several massive pulsars, with masses near and above $2M_{\odot }$, point towards the existence of matter at very high densities, compared to normal matter that we are familiar with in our terrestrial world. This leads to the possibility of appearance of exotic degrees of freedom other than nucleons inside the core of the neutrons stars (NS). Another significant property of NSs is the presence of high surface magnetic field, with highest range of the order of $\sim 10^{16}$ G. We study the properties of highly dense matter with the possibility of appearance of heavier strange and non-strange baryons, and kaons in presence of strong magnetic field. We find that the presence of a strong magnetic field stiffens the matter at high density, delaying the kaon appearance and, hence, increasing the maximum attainable mass of NS family.

arXiv comment16 pages, 10 figures; accepted for publication in Phys. Rev. C

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• Impact of crust-core connection procedures on the tidal deformability of neutron stars
• Investigating Universal Relations in Compact Stars featuring $\Delta -$Admixed Exotic Dense Matter