Physical equivalence of theories |
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| Authors: | A. Qadir |
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| Affiliation: | (1) International Centre for Theoretical Physics, Miramare, Trieste, Italy |
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| Abstract: | A means of distinguishing between equivalent and different (inequivalent) theories is presented. It is applied to distinguish between the Brans-Dicke theory and general relativity. It is shown that an infinite number of Brans-Dicke-type extensions can be constructed for all field theories.This work was performed while on leave of absence from the Mathematics Department, Islamabad University, Islamabad, Pakistan. |
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