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19932026
most citedSound Speeds, Cracking and Stability of Self-Gravitating Anisotropic Compact Objects

853 citations

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Showing 2009 · gr-qcShow all

2 papers · 2 filters

gr-qc2009★ 14 cited

Central equation of state in spherical characteristic evolutions

W. Barreto, L. Castillo, E. Barrios

We study the evolution of a perfect--fluid sphere coupled to a scalar radiation field. By ensuring a Ricci invariant regularity as a conformally flat spacetime at the central world…

gr-qc2009★ 11 cited

The Post-Quasistatic Approximation as a test bed for Numerical Relativity

W. Barreto

It is shown that observers in the standard ADM 3+1 treatment of matter are the same as the observers used in the matter treatment of Bondi: they are comoving and local Minkowskian.…