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Type: Artigo de periódico
Title: On the structure of physical space
Author: Wisnivesky, D
Abstract: In this paper we develop a theory based on the postulate that the environment where physical phenomena take place is the space of four complex parameters of the linear group of transformations. Using these parameters as fundamental building blocks we construct ordinary space-time and the internal space. Lorentz invariance is built in the definition of external space, while the symmetry of the internal space, S(1) x SU(2) results as a consequence of the identification of the external coordinates. Thus, special relativity and the electroweak interaction symmetry ensue from the properties of the basic building blocks of physical space. Since internal and external space are derived from a common structure, there is no need to bring into the theory any additional hypothesis to account for the microscopic nature of the internal space, nor to introduce symmetry breaking mechanisms that would normally be required to force a splitting of the internal and external symmetries. As an outcome of the existence of a basic structure underlying the external space-time, the weak and electromagnetic coupling constants are not independent and the Weinberg weak mixing angle is derived from the theory. In this new theory, there is an interrelationship between external and internal transformations, which leads to the quantization of electric charge. Finally we conclude that the electroweak gauge theory can be regarded as a consequence of Einstein's general theory of relativity. The proposed theory represents an extension of the normally accepted theory and includes it as a particular case. This paper is an attempt to formulate anew framework in which the physical phenomena take place, and to explore some of its consequences.
Country: Singapura
Editor: World Scientific Publ Co Pte Ltd
Citation: International Journal Of Modern Physics A. World Scientific Publ Co Pte Ltd, v. 16, n. 24, n. 4045, n. 4055, 2001.
Rights: fechado
Identifier DOI: 10.1142/S0217751X01004396
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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