Interaction in scalar theories of gravitation |
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| Authors: | Tom L J Linden |
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| Institution: | (1) Visiting Scientist, European Space Operations Centre, Darmstadt, Germany;(2) Present address: 922 20th Avenue E., 98102 Seattle, Washington, USA |
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| Abstract: | It is shown that O. Bergmann's (1956) scalar field theory is similar to G. Nordström's (1912). The interaction term in the former's theory is equivalent to non-linearising the Nordström theory by including twice the energy density of the field as a source term in the  Poisson-like equation. It is further shown that, if the interaction term (1+v) in Bergmann's theory is replaced by (1+v)2, then the subsequent field equation appears more reasonable in that the energy density (not twice) appears as a source term. |
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