期刊
GENERAL RELATIVITY AND GRAVITATION
卷 53, 期 4, 页码 -出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10714-021-02814-2
关键词
Gauge theories of gravity; Generalized gauge deformed groups; Problem of motion; Quasilocality
This article analyzes the motion of gauge-charged matter generating the gravitational field and the superimposition of equations on the gauge field, showing that the motion of uncharged particles along geodesics of Riemannian space is inherent in a wide range of gravity theories. Additionally, the Lorentz force appears in the equations of motion for gauge-charged particles as a consequence of the gauge symmetry of the theory.
In this article we consider the problem to what extent the motion of gauge-charged matter that generates the gravitational field can be arbitrary, as well as what equations are superimposed on the gauge field due to conditions of compatibility of gravitational field equations. Considered problem is analyzed from the point of view symmetry of the theory with respect to the generalized gauge deformed groups without specification of Lagrangians. In particular it is shown, that the motion of uncharged particles along geodesics of Riemannian space is inherent in an extremely wide range of theories of gravity and is a consequence of the gauge translational invariance of these theories under the condition of fulfilling equations of gravitational field. In the cause of gauge-charged particles, the Lorentz force, generalized for gauge-charged matter, appears in equations of motion as a consequence of the gauge symmetry of the theory under the condition of fulfilling equations of gravitational and gauge fields. In addition, we found relationships of equations for some fields that follow from the assumption about fulfilling of equations for other fields. At the end of the article there is an Appendix, which briefly describes the main provisions and facts from the theory of generalized gauge deformed groups and presents the main ideas of a single group-theoretical interpretation of gauge fields of both external (space-time) and internal symmetry, which is an alternative to their geometric interpretation.
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