Bridges macroscopic temperature and microscopic energy: k_B = 1.380 649 × 10⁻²³ J/K (exact by SI definition).
Boltzmann constant (k_B)
Related concepts
- Real numbers (ℝ)
- Boltzmann entropy formula
- Partition function
- Universal gas constant (R)
- Debye length λ_D
- Colloid physics
- Arrhenius rate law
- Ideal gas law
- Van der Waals equation of state
- Boltzmann distribution: N_i/N = g_i exp(-E_i/kT) / Z (equilibrium populations)
- Equipartition: ⟨(1/2) k T⟩ per classical quadratic DoF; γ = 1 + 2/f
- ΔE=kT log(2) ⇒ N₂/N₁ = 1/2, log ratio = -log(2) (one-bit population split)