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Python for TOV solver

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About

Python package to solve Tolman-Oppenheimer-Volkoff equation. Allows to study properties of static neutron stars with given equation of state. Additionally is able to calculate tidal properties of neutron stars. The package can become quite handy by using from jupyter noebook.

<p align="center"> <img src="example/figures/mr.png" width="400"/> <img src="example/figures/tidal.png" width="600"/> </p>

Documentation

To install use:

pip3 install .

Or if you do not have root access, then to install locally:

pip3 install . --user

See an example jupyter notebook in the example folder.

Functionality

Solves TOV equation, calculates mass and radius of static neutron star at given central density. Calculates tidal properties of neutron star.

Literature

• R. C. Tolman, Phys. Rev. 55, 364 (1939) Static Solutions of Einstein's Field Equations for Spheres of Fluid
• J. R. Oppenheimer and G. M. Volkoff, Phys. Rev. 55, 374 (1939) On Massive Neutron Cores
• G. Baym, C. Pethick, and P. Sutherland, Astrophys. J. 170, 299 (1971) The Ground State of Matter at High Densities: Equation of State and Stellar Models
• T. Hinderer, B. D. Lackey, R. N. Lang, and J. S. Read, Phys. Rev. D81, 123016 (2010) Tidal deformability of neutron stars with realistic equations of state and their gravitational wave signatures in binary inspiral

License

Copyright 2019-2022 Anton Motornenko (FIAS)

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.