Einstein's Relativity Theory of Gravitation

Bulk Viscous Bianchi Type VI0 Cosmological Model in the Self-creation Theory of Gravitation and in the General Theory of Relativity

In the second self-creation theory of gravitation and in the general theory of relativity, Bianchi type VI0 cosmological model in the presence of viscous fluid is studied. An exact solution of the field equations is given by considering the cosmological model yields a constant decelerations parameter q=constant and the coefficients of the metric are taken as A(t)=[c1t+c<su...

A Unified Theory of General Relativity of Gravitation and Electromagnetism. Iv.

It being required that the determinant g of gij be different from zero, and in fact negative, a contravariant symmetric tensor giJ is defined by g'Jg,, = Vk, where 4Vk is the Kronecker delta, and where a repeated superscript and subscript, as i in this case, means the sum as the index takes the values 1 to 4. This notation holds throughout the paper. For any coefficients of connection rijh, sym...

Retarded gravitation theory

We propose a Lorentz-covariant theory of gravity, and explain its theoretical origins in the problem of time in Newtonian physics. In this retarded gravitation theory (RGT), the gravitational force depends upon both retarded position and velocity, and the equations of motion are time-asymmetric retarded functional differential equations. We explicitly solve these equations, under simplifying as...

Gravitation in Flat Space-Time and General Relativity

A covariant theory of gravitation in flat space-time is stated and compared with general relativity. The results of the theory of gravitation in flat space-time and of general relativity agree for weak gravitational fields to low approximations. For strong fields the results of the two theories deviate from one another. Flat space-time theory of gravitation gives under some natural assumptions ...

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