Existence of Minkowski space

16 Jan 2019  ·  Wagner Serge ·

Minkowski space serves as a framework for the theoretical constructions that deal with manifestations of relativistic effects in physical phenomena. But neither Minkowski himself nor the subsequent developers of the relativity theory have provided a reasonable rationale for this mathematical construct... In physics, such a rationale should show lower-level statements that determine where the proposed mathematical structure is applicable and yield formal premises for proving its existence. The above failure has apparently been due to the features of the adopted formalism based on the unjustifiably exclusive use of coordinates in the theoretical analysis of physical phenomena, which ignores the necessity of having physical grounds for mathematical concepts. In particular, the use of a coordinate transformation between two inertial reference frames makes the consideration so cumbersome that it appears useless for solving the fundamental problems of physical theory, including the question of whether Minkowski space exists. In contrast, a straightforward calculation proves that the transformation of the time and the position vector of a physical event between two physical spaces establishes an equivalence relation between pairs made of these variables. This means the existence of Minkowski space and shows that the premises for its proof are the same as for the coordinate-free derivation of basic effects of the special relativity theory: the use of Einsteinian time variable and motions of particles able to interact with each other and electromagnetic field over a short spatial range only. The high degeneracy of free motions of point particles, together with the intricacy of the above mentioned calculation, suggests that a further generalization of Minkowski space is beyond belief, so that the modification or even the abandonment of the concept of spacetime seems quite natural. read more

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General Physics