On the post-Newtonian approximation of the Einstein-Cartan-Sciama-Kibble theory |
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| Authors: | Mario Castagnino Marcelo L Levinas Norberto Umerez |
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| Institution: | (1) Instituto de Fisica de Rosario (CONICET-UNR), Avenida Pellegrini 250, 2000 Rosario, Argentina;(2) Instituto de Astronomía y Física del Espacio, (CONICET), Sucursal 28, C. C. 67 Buenos Aires, Argentina;(3) Departamento de Matemática, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón I, Ciudad Universitaria, Buenos Aires, Argentina |
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| Abstract: | The post-Newtonian approximation of the Einstein-Cartan-Sciama-Kibble or ECSK theory is developed. It is used to obtain a drastic reduction on the density of the source needed to detect the spin. It is also proved that if we know the structure of the source, up to order ¯v, the spin can be detected, and if we know it up to order ¯v2 the theory can be verified.Supported by a scholarship from the Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET). |
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