期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS C
卷 18, 期 11, 页码 1735-1746出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0129183107011704
关键词
equations of state; methods; numerical; stars; neutron
In this paper, three methods for computing non-rotating neutron star models are discussed. The relativistic Oppenheimer Volkoff (OV) equations of hydrostatic equilibrium are solved using (a) the well-known variable step method, (b) a method based on a modified form of the OV equations, where the thermodynamic enthalpy function is the independent variable, and (c) a new straightforward method, based on the ODEPACK Fortran package for solving systems of differential equations. We present results concerning several equations of state and conclusions concerning the applicability of each method.
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