Highly accurate calculation of rotating neutron stars - Detailed description of 
the numerical methods

Ansorg, Marcus; Kleinwächter, Andreas; Meinel, Reinhard

doi:10.1051/0004-6361:20030618

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Highly accurate calculation of rotating neutron stars - Detailed description of the numerical methods

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Ansorg, Marcus
Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Ansorg, M., Kleinwächter, A., & Meinel, R. (2003). Highly accurate calculation of rotating neutron stars - Detailed description of the numerical methods. Astronomy & Astrophysics, 405(2), 711-721. doi:10.1051/0004-6361:20030618.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-5219-A

Abstract

We give a detailed description of the recently developed multi-domain spectral method for constructing highly accurate general-relativistic models of rapidly rotating stars. For both "ordinary" and "critical" configurations, we show using representative examples, how the accuracy improves as the order of the approximation increases. As well as homogeneous fluid bodies, we also discuss models of polytropic and strange stars.