Abstract
We should like to point out that the Brans-Dicke-Bianchi type-I vacuum solution recently given by Ram and Singh is wrong. The correct solution is nothing but a special case of the general BDT-Bianchi type-I solutions given by us recently (Lorenz-Petzold, 1984). It is the aim of this comment to rediscuss the corresponding field equations and to disprove the statement that the (correct) solution has no analogy in Einstein's theory.
References
Lorenz-Petzold, D.: 1984a,Astrophys. Space Sci. 98, 191.
Lorenz-petzold, D.: 1984b,Astrophys. Space Sci. 98, 101.
Ram, Shri: 1983a,Astrophys. Space Sci. 94, 307.
Ram, Shri: 1983b,Gen. Rel. Grav. 15, 635.
Ram, Shri and Singh, D. K.: 1983,Astrophys. Space Sci. 95, 219.
Ruban, V. A. and Finkelstein, A. M.: 1972,Nuovo Cimento 5, 289.
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Lorenz-Petzold, D. Comment on the Brans-Dicke-Bianchi type-I solution. Astrophys Space Sci 100, 421–423 (1984). https://doi.org/10.1007/BF00651618
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DOI: https://doi.org/10.1007/BF00651618