def definition def or abbrev

`runningCoupling`

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

formal statement (Lean)

 137noncomputable def runningCoupling (α0 b E E0 : ℝ) (hE : E > 0) (hE0 : E0 > 0) : ℝ :=

Definition body.

 138  α0 / (1 - b * α0 * Real.log (E / E0))
 139
 140/-- The φ-ladder gives discrete energy scales:
 141    E_n = E_0 × φ^n -/

From the project-wide theorem graph. These declarations reference this one in their body.

asymptotic_freedom_direction in IndisputableMonolith.QFT.RunningCouplings decl_use
running_at_zero in IndisputableMonolith.QFT.RunningCouplings decl_use
runningCoupling in IndisputableMonolith.QFT.RunningCouplings decl_use

Lean names referenced from this declaration's body.