  We investigate the effects of the symmetry energy on nuclear pasta phases and
the crust-core transition in neutron stars. We employ the relativistic
mean-field approach and the coexisting phases method to study the properties of
pasta phases presented in the inner crust of neutron stars. It is found that
the slope of the nuclear symmetry energy at saturation density plays an
important role in the crust-core transition and pasta phase properties. The
correlation between the symmetry energy slope and the crust-core transition
density obtained in this study is consistent with those obtained by other
methods.
