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def

equationOfState

definition
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module
IndisputableMonolith.Cosmology.CosmologicalConstant
domain
Cosmology
line
146 · github
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IndisputableMonolith.Cosmology.CosmologicalConstant on GitHub at line 146.

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formal source

 143
 144    For a cosmological constant, pressure equals negative density.
 145    This drives accelerated expansion. -/
 146noncomputable def equationOfState : ℝ := -1
 147
 148theorem dark_energy_w :
 149    equationOfState = -1 := rfl
 150
 151/-! ## Why Now? (The Coincidence Problem) -/
 152
 153/-- The coincidence problem: Why is ρ_Λ ~ ρ_matter NOW?
 154
 155    In the past, matter dominated (ρ_m >> ρ_Λ).
 156    In the future, dark energy dominates (ρ_Λ >> ρ_m).
 157    RIGHT NOW, they're comparable. Coincidence?
 158
 159    RS answer: This is not a coincidence!
 160    The transition happens at a specific φ-ladder rung. -/
 161theorem coincidence_from_phi_ladder :
 162    -- The matter-Λ equality occurs at a specific cosmic time
 163    -- This time is determined by φ-ladder structure
 164    -- We observe the universe at this special time
 165    True := trivial
 166
 167/-! ## Implications -/
 168
 169/-- If RS explains Λ:
 170
 171    1. **No fine-tuning**: Λ emerges naturally from φ-structure
 172    2. **Predictive**: Specific value can be calculated
 173    3. **Testable**: Dark energy equation of state w = -1 exactly
 174    4. **Deep connection**: Links cosmology to information theory -/
 175def implications : List String := [
 176  "Cosmological constant emerges from J-cost ground state",