THERMODYNAMIC UNCERTAINTY
Drive force F
2.0
Temperature T
1.0
Hopping rate k₀
1.0
Particles N
200
Mean current ⟨J⟩
—
Variance Var(J)
—
Entropy prod σ
—
TUR: Var/⟨J⟩²·σ
—
TUR (Barato-Seifert 2015):
Var(J)/⟨J⟩² ≥ 2k_B/σ
Ring: k± = k₀ e^{±F/2T}
⟨J⟩ = k₊−k₋
σ = (k₊−k₋)ln(k₊/k₋)
Equality at linear response