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Conference Paper

The maximum mass of differentially rotating neutron stars


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

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Ansorg, M., Gondek-Rosinska, D., Villain, L., & Bejger, M. (2008). The maximum mass of differentially rotating neutron stars. In A. Oscoz, E. Mediavilla, & M. Serra-Ricart (Eds.), Spanish Relativity Meeting, ERE2007: Relativistic Astrophysics and Cosmology.

Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-148E-E
Binary neutron star merger lead to the formation of a massive, rapidly and differentially rotating neutron star (or a strange star) or to the prompt collapse to a black hole. The maximum mass of a differentially rotating remnant is crucial for distinguishing between these two final objects. We study the effect of differential rotation on the maximum mass of neutron stars (strange stars). We numerically construct stellar models using a highly accurate relativistic code based on a multi-domain spectral method. We find much larger mass increases for strange stars than for neutron stars for the same degree of differential rotation.