Constraining the high-density behavior of the nuclear symmetry energy with the tidal polarizability of neutron stars
F. J. FattoyevDepartment of Physics and Astronomy, Texas A&M University–Commerce, Commerce, Texas 75429-3011, USAJ. CarvajalDepartment of Physics and Astronomy, Texas A&M University–Commerce, Commerce, Texas 75429-3011, USAWilliam G. NewtonDepartment of Physics and Astronomy, Texas A&M University–Commerce, Commerce, Texas 75429-3011, USABao-An LiDepartment of Applied Physics, Xian Jiao Tong University, Xian 710049, China
ABI
Abstract
Using a set of model equations of state satisfying the latest constraints from both terrestrial nuclear experiments and astrophysical observations, as well as state-of-the-art nuclear many-body calculations of the pure neutron matter equation of state, the tidal polarizability of canonical neutron stars in coalescing binaries is found to be a very sensitive probe of the high-density behavior of nuclear symmetry energy, which is among the most uncertain properties of dense neutron-rich nucleonic matter. Moreover, it changes less than $\ifmmode\pm\else\textpm\fi{}10%$ by varying various properties of symmetric nuclear matter and symmetry energy around the saturation density within their respective ranges of remaining uncertainty.
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