This research derives the complete Schwarzschild metric and unimodular Einstein equations, suggesting a new approach to cosmological phenomena.
The spatial metric component g_rr = (1−2GM/rc²)⁻¹ is derived from foam incompressibility (Poisson ratio ν = 1/2). The unimodular Einstein field equations are derived from the foam action principle. The cosmological constant appears as an integration constant, resolving the cosmological constant problem. Both Friedmann equations are derived. Zero free parameters.
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Luke Martin (2026) studied this question.
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