Astron. Astrophys. 326, 13-22 (1997)

6. The perturbed Einstein field equations

We start with the Einstein field equations in the form

where is given by Eq. (46). For the electromagnetic contribution we have

and

is Ricci's tensor, where

as in Weinberg (1972). Then, we obtain

© European Southern Observatory (ESO) 1997

Online publication: April 20, 1998
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