An exterior solution of the einstein field equations for a rotating infinite cylinder |
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Authors: | Munaim A Mashkour |
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Institution: | (1) Department of Physics, Shahid Beheshti University, Evin, Tehran, 19839, Iran |
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Abstract: | We give here a new exact solution to the exterior Einstein field equations for a rotating infinite cylinder. The solution is characterized by an everywhere singular metric. In the Papapetrou canonical coordinates, the 3-force acting on a radially moving test particle is $f^\alpha = \left( {G\frac{m}{{\sqrt {\Gamma - \upsilon ^2 } }}{\text{ }}\frac{\lambda }{\rho },{\text{ 0,}} - \frac{m}{{\sqrt {\Gamma - \upsilon ^2 } }}{\text{ }}\frac{{C\upsilon }}{\rho }{\text{ }}} \right)$ where λ>0.f 1 andf 3 are, respectively, the gravitational and Coriolis forces. The gravitational force is, therefore, repulsive. |
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