Gravitational radiation within its source
Abstract
We review a recently proposed framework for studying axially symmetric dissipative fluids Ref1. Some general results are discussed at the most general level. We then proceed to analyze some particular cases. First, the shear-free case is considered 3. We shall next discuss the perfect fluid case under the geodesic condition, without impossing ab initio the shear--free condition 2. Finally a dissipative, geodesic fluid 4, is analyzed in some detail. We conclude by bringing out the attention to some open issues.
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