J Tafel 2000 Class. Quantum Grav. 17 4397 doi:10.1088/0264-9381/17/21/304
J Tafel
Show affiliations Within the framework of the Penrose conformal approach to asymptotical flatness we find minimal conditions on the Ricci tensor of the physical metric
which guarantee that the Bondi mass and momentum are well defined. The energy-momentum vector, the Bondi news functions and the energy loss formula are expressed in terms of the Penrose conformal factor. An approximate Bondi-Sachs form of the metric
is constructed. The Robinson-Trautman metrics are considered as an example.
83C05 Einstein's equations (general structure, canonical formalism, Cauchy problems)
Issue 21 (7 November 2000)
Received 11 July 2000
J Tafel 2000 Class. Quantum Grav. 17 4397
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