Breuer-Petruccione §3 / Rivas-Huelga 2011: the Markov approximation in Born-Markov master-equation theory replaces the non-local-in-time memory kernel K(τ) = ⟨B(τ)B(0)⟩ by δ-correlated K(τ) ≈ γ·δ(τ) (with γ = ∫₀^∞ K(τ) dτ). Validity…
Breuer-Petruccione §3 / Rivas-Huelga 2011: the Markov approximation in Born-Markov master-equation theory replaces the non-local-in-time memory kernel K(τ) = ⟨B(τ)B(0)⟩ by δ-correlated K(τ) ≈ γ·δ(τ) (with γ = ∫₀^∞ K(τ) dτ). Validity…