3. Einstein's Relative Space: Topological Excitations in Absolute Space
General Relativity links the geometry of spacetime to the distribution of matter-energy via the Einstein field equations. We posit that this describes the process by which the absolute space background is "excited" by matter-energy to produce local topological defects.
3.1 The Analogy of Topological Vortices: In a superfluid or Bose-Einstein condensate, the background is a uniform, frictionless ground state. When the system's energy exceeds a critical value, vortices are excited. These vortices have definite dynamic properties (e.g., angular momentum) and distort the local order (the order parameter field) around them. They are relatively independent dynamic structures—the "actors."
3.2 Relative Spacetime as Critical Point Excitations: Similarly, we can view Einstein's spacetime (particularly in regions with mass and gravity) as "topological vortices" within the absolute space background. Matter and energy (i.e., the energy-momentum tensor $T_{\mu\nu}$) play the role of the critical excitation source. They cause the uniform background of absolute space to undergo local "warping," manifested as changes in the metric tensor $g_{\mu\nu}$. This warping is what we perceive as the gravitational field and the curvature of spacetime.
3.3 Phase Transition Time and Specific Space: Each such "spacetime vortex" (e.g., a star, a black hole) has its own "phase transition time" (cosmological time) of formation, evolution, and demise, and occupies a specific region of physical space (event horizon, etc.). This is the concretization of the "spacetime" concept.
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