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structure definition def or abbrev

QuantumClassicalCrossover

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formal statement (Lean)

 127structure QuantumClassicalCrossover where
 128  /-- System size (number of particles). -/
 129  N : ℕ
 130  /-- Environment temperature. -/
 131  T : ℝ
 132  /-- Coupling strength. -/
 133  coupling : ℝ
 134  /-- Decoherence time. -/
 135  tau_D : ℝ
 136
 137/-! ## The RS Interpretation -/
 138
 139/-- In RS, classical emergence is about **ledger coarse-graining**:
 140
 141    1. Microscopic: Full quantum ledger, all superpositions tracked
 142    2. Mesoscopic: Partial coarse-graining, some quantum effects
 143    3. Macroscopic: Fully coarse-grained, only classical states
 144
 145    Classical physics = the low-resolution limit of the ledger. -/

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