Abstract

The study of nuclei in the region around the N = Z doubly-magic nucleus -100 has been of long standing interest for the nuclear structure and clear astrophysics. Recently, Park et al. have reported ...

Highlights

  • Almost a century ago in 1915, Albert Einstein published his landmark paper on “The Field Equations of Gravitation” [1]

  • The various models differ in their choice of the density dependence of the symmetry energy, the slope of the symmetry energy at saturation — a quantity commonly denoted by L that is proportional to the pressure of pure neutron matter at saturation

  • Neutron stars provide a powerful intellectual bridge between Nuclear Physics and Astrophysics. This synergy will strengthen even further with the recent detection of gravitational waves from the merger of two neutron stars. In this contribution,we explored the fascinating structure of neutron stars, their connection to nuclear physics through the underlying equation of state, and the new limits imposed on the EOS from tidal distortions

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Summary

Introduction

Almost a century ago in 1915, Albert Einstein published his landmark paper on “The Field Equations of Gravitation” [1]. At the observed rate of energy loss due to the emission of gravitational radiation, the Hulse–Taylor binary pulsar will merge in about 300 million years It was near the centennial celebration of the birth of general relativity that the LIGO–Virgo scientific collaboration reported the first direct detection of gravitational waves from a binary black hole merger [5]. Using theoretical waveforms predicted by general relativity, individual black holes with masses of about 36 and 29 solar masses merged to produce a final black hole with a mass of 62 M This implies that about 3 solar masses were radiated in the form of gravitational waves, or about ten billion times the amount of energy radiate by our own sun in one year. The first detection of gravitational waves from a binary neutron star merger (GW170817) at a distance of about 40 Mpc opened the brand new era of multimessenger astronomy [6].

Tolman–Oppenheimer–Volkoff equations
Composition and equation of state
Tidal polarizability
Results
Conclusions
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