2 papers
gr-qc2002
On the pre-nucleosynthesis cosmological period
R. Aldrovandi, J. Gariel, G. Marcilhacy
Physics, as known from our local, around--earth experience, meets some of its applicability limits at the time just preceding the period of primeval nucleosynthesis. Attention is f…
gr-qc2000
Parametrization of singularities of the Demiański-Newman spacetimes
J. Gariel, G. Marcilhacy, N. O. Santos +1
We propose a new presentation of the Demiański-Newman (DN) solution of the axisymmetric Einstein equations. We introduce new dimensionless parameters , and , but keeping…