Abstract
When we study Lorentz transformation in the framework of quantum gauge theory of gravity, we will find that the vacuum gravitational gauge field will be changed under gravitational gauge transformation, which will change the structure of the physical space-time and cause clock dilation effect. The study in this paper provides us with new insights to understand the essential and intrinsic relation between special relativity and general relativity. It provides us with a new way to unify special relativity and general relativity.
Highlights
It is known that, because of the negative results from Michelson-Morley interference experiment [1] and Lodge’s interference experiment [2] [3], the theory of ether drift is abandoned by physical world
It is found that, when the global Lorentz transformation is studied using the method of gravitational gauge transformation, the vacuum gravitational gauge field is changed under the transformation, which will cause the change of space-time structure
In other words, when we change the mathematical parameters of a theory that describe a physical event, the time interval between ticks of a clock and the length of a ruler generally should not be changed
Summary
Because of the negative results from Michelson-Morley interference experiment [1] and Lodge’s interference experiment [2] [3], the theory of ether drift is abandoned by physical world. In the theory of special relativity, clock dilation effect and ruler contraction effect are natural results of Lorentz transformation. Clock dilation effect and ruler contraction effect exist in general relativity [7]-[9]. In general relativity, these effects are caused by classical gravity, or say that, they are. What is the physical nature of the clock dilation effect and the ruler contraction effect caused by Lorentz transformation in special relativity?. QGGR is a perturbatively renormalizable quantum theory, so based on it, quantum effects of gravity [23]-[26] and gravitational interactions of some basic quantum fields [27] [28] can be explored. It will help us to understand the physics behind Lorentz transformation and the nature of Lorentz symmetry
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