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def definition def or abbrev

pathDifference

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formal statement (Lean)

  84noncomputable def pathDifference (setup : DoubleSlitSetup) (y : ℝ) : ℝ :=

proof body

Definition body.

  85  -- In small angle approximation: Δr ≈ d × sin(θ) ≈ d × y / L
  86  setup.d * y / setup.L
  87
  88/-- Phase difference between the two paths. -/

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depends on (6)

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