Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-12-18
Physics
High Energy Physics
High Energy Physics - Theory
15 pages
Scientific paper
In this article, a novel physical picture of space-time is presented. Firstly, we investigate the problem of dynamical relativity from the viewpoint of causality principle, and then suggest the counting of forces being also relative to keep consistency with the relative description for kinematical quantities. We further proposed an axiom for dynamical equation, the principle of causality consistency. Then we carry out a subtle way to realize a universal dynamical relativity, in which the dynamical equation can be exactly applied in any reference frame and the essence of inertial force can also be naturally explained. After that, a new physical picture for space-time is presented. In this picture, all reference frames are equivalent on the description of kinematics, and their proper clocks are running at the same rate. Secondly, according to our new principle of relativity, the geometrized effect of gravity is regarded as a non-Minkowski metric based on a rigid homogeneous reference coordinate system. The gravitational time dilation effect exists in any local clock in gravity field, regardless of its state of motion. And all the local space-time in gravity field are of asymptotic Minkowski metric. By using the presented picture, we reinterpreted the gravitational redshift in the solar system. Besides, we also reinvestigated the foundation of cosmology and proposed a new cosmological metric in which the gravitational redshift is explicitly embodied. A preliminary analysis shows that if the new metric we proposed is adopted in cosmology, current cosmological problems will be expected to be basically resolved.
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