Geodesic
Dissipation of general viscous fluid distribution in Einstein and Barber theories
Theoretical and applied mechanics, Tome 26 (2001) no. 1, p. 71 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

An attempt has been taken to investigate the problem of general viscous fluid distribution in the space-time governed by the metric $ds^2=dt^2-dx^2-dy^2+f(t-x,y,z)(dt-dx)^2$ in both the theories of gravitation proposed by Einstein (1915) and Barber (1982), It is observed that in both the theories the field equations are reducible to Laplace equation and viscous fluid distribution does not survive. Moreover, the vacuum models can be constructed by an arbitrary harmonic function in $y$ and $z$ coordinates and the solutions governing the models represent plane gravitational wave propagating in positive $x$-direction. 
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     author = {G. Mohanty and B. Mishra},
     title = {Dissipation of general viscous fluid distribution in {Einstein} and {Barber} theories},
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     language = {en},
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G. Mohanty; B. Mishra. Dissipation of general viscous fluid distribution in Einstein and Barber theories. Theoretical and applied mechanics, Tome 26 (2001) no. 1, p. 71 . http://geodesic.mathdoc.fr/item/TAM_2001_26_1_a4/