CHINESE JOURNAL OF PHYSICS VOL. 39, NO. 3 JUNE 2001

Effects of Force and Energy in an Evolving Universe with a Gravitational Source

M. Sharif^*

Department of Physics, Hanyang University, Seoul 133-791, Korea
(Received February 1, 2001)

Two models are given by crossing the Friedmann metrics with the Schwarzschild and Kerr metrics. In these evolving universes with a gravitational source, the force four-vector and the corresponding potentials are evaluated.

PACS. 04.20.-q - Classical general relativity.

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