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def definition def or abbrev

freeEnergy

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formal statement (Lean)

  75noncomputable def freeEnergy (sys : DiscreteSystem) (T : ℝ) (hT : T > 0) : ℝ :=

proof body

Definition body.

  76  -k_B * T * log (partitionFunction sys T hT)
  77
  78/-- Average energy ⟨E⟩ = -∂ln Z/∂β = Σᵢ Eᵢ Pᵢ. -/

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