Bianchi type VI1 viscous fluid cosmological model in Wesson's theory of gravitation

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作者：
Department of Mathematics, R.T.M. Nagpur University, Nagpur, India [1 ]
不详 [2 ]
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来源：
Turk. J. Phys. | 2007年 / 2卷 / 59-65期
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Cosmology - Functions - Gravitation - Mathematical models - Viscosity;
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摘要：
Field equations of a scale invariant theory of gravitation proposed by Wesson [1, 2] are obtained in the presence of viscous fluid with the aid of Blanchi type VIh space-time with the time dependent gauge function (Dirac gauge). It is found that Blanchi type VIh (h = 1) space-time with viscous fluid is feasible in this theory, whereas Bianchi type VI h (h = -1, 0) space-times are not feasible in this theory, even in the presence of viscosity. For the feasible case, by assuming a relation connecting viscosity and metric coefficient, we have obtained a nonsingular-radiating model. We have discussed some physical and kinematical properties of the models. © TÜBTAK.
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