159 citations · 520 across the 7 of their papers we have counts for
3 papers
gr-qc2008★ 159 cited
Shearing Expansion-free Spherical Anisotropic Fluid Evolution
L. Herrera, N. O. Santos, A. Wang
Spherically symmetric expansionfree distributions are systematically studied. The whole set of field equations and junction conditions are presented for a general distribution of d…
hep-th2007★ 10 cited
The cosmological constant in the brane world of string theory on
Anzhong Wang, N. O. Santos
Orbifold branes in string theory are investigated, and the general field equations on the branes are given explicitly for type II and heterotic string. It is shown that the effecti…
gr-qc2004★ 86 cited
Shear-free radiating collapse and conformal flatness
L. Herrera, G. Le Denmat, N. O. Santos +1
Here we study some general properties of spherical shear-free collapse. Its general solution when imposing conformal flatness is reobtained [1,2] and matched to the outgoing Vaidya…