Pasta properties of the neutron star within effective relativistic mean-field model. (arXiv:2203.16827v2 [nucl-th] UPDATED)

Pasta properties of the neutron star within effective relativistic mean-field model. (arXiv:2203.16827v2 [nucl-th] UPDATED)
<a href="http://arxiv.org/find/nucl-th/1/au:+Parmar_V/0/1/0/all/0/1">Vishal Parmar</a>, <a href="http://arxiv.org/find/nucl-th/1/au:+Das_H/0/1/0/all/0/1">H. C. Das</a>, <a href="http://arxiv.org/find/nucl-th/1/au:+Kumar_A/0/1/0/all/0/1">Ankit Kumar</a>, <a href="http://arxiv.org/find/nucl-th/1/au:+Kumar_A/0/1/0/all/0/1">Ankit Kumar</a>, <a href="http://arxiv.org/find/nucl-th/1/au:+Sharma_M/0/1/0/all/0/1">M. K. Sharma</a>, <a href="http://arxiv.org/find/nucl-th/1/au:+Arumugam_P/0/1/0/all/0/1">P. Arumugam</a>, <a href="http://arxiv.org/find/nucl-th/1/au:+Patra_S/0/1/0/all/0/1">S. K. Patra</a>

We study the properties of pasta structures and their influence on the
neutron star observables employing the effective relativistic mean-field
(E-RMF) model. The compressible liquid drop model is used to incorporate the
finite size effects, considering the possibility of nonspherical structures in
the inner crust. The unified equation of states are constructed for several
E-RMF parameters to study various properties such as pasta mass and thickness
in the neutron star’s crust. The majority of the pasta properties are sensitive
to the symmetry energy in the subsaturation density region. Using the results
from Monte Carlo simulations, we estimate the shear modulus of the crust in the
context of quasiperiodic oscillations from soft gamma-ray repeaters and
calculate the frequency of fundamental torsional oscillation mode in the inner
crust. Global properties of the neutron star such as mass-radius profile, the
moment of inertia, crustal mass, crustal thickness, and fractional crustal
moment of inertia are worked out. The results are consistent with various
observational and theoretical constraints.

We study the properties of pasta structures and their influence on the
neutron star observables employing the effective relativistic mean-field
(E-RMF) model. The compressible liquid drop model is used to incorporate the
finite size effects, considering the possibility of nonspherical structures in
the inner crust. The unified equation of states are constructed for several
E-RMF parameters to study various properties such as pasta mass and thickness
in the neutron star’s crust. The majority of the pasta properties are sensitive
to the symmetry energy in the subsaturation density region. Using the results
from Monte Carlo simulations, we estimate the shear modulus of the crust in the
context of quasiperiodic oscillations from soft gamma-ray repeaters and
calculate the frequency of fundamental torsional oscillation mode in the inner
crust. Global properties of the neutron star such as mass-radius profile, the
moment of inertia, crustal mass, crustal thickness, and fractional crustal
moment of inertia are worked out. The results are consistent with various
observational and theoretical constraints.

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