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inductive definition def or abbrev

PhaseFieldSource

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formal statement (Lean)

 261inductive PhaseFieldSource where
 262  | acoustic_standing_wave    -- classical acoustic radiation pressure
 263  | rotating_superconductor   -- Podkletnov / Li: SC phase coherence + rotation
 264  | rotating_magnetic_array   -- Searl: magnetic phase-locked rotation
 265  deriving DecidableEq, Repr
 266
 267/-- Any phase field source that generates an ExternalPhaseField with
 268    ∇Φ_ext opposing ∇Φ_grav produces a levitation effect. -/

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