Langevin 1908: dv/dt = -gamma v + sqrt(2 gamma kT / m) eta(t); stochastic damped Newton equation; recovers Maxwell-Boltzmann at equilibrium via fluctuation-dissipation.
Langevin 1908: dv/dt = -gamma v + sqrt(2 gamma kT / m) eta(t); stochastic damped Newton equation; recovers Maxwell-Boltzmann at equilibrium via fluctuation-dissipation.