## Nonequilibrium Statistical Mechanics

Nonequilibrium Statistical Mechanics. Instructor: Professor V. Balakrishnan, Department of Physics, IIT Madras. Thermal fluctuations, Langevin dynamics, Brownian motion and diffusion, Fokker-Planck equations, linear response theory, fluctuation-dissipation relations, the Boltzmann equation, critical phenomena, scaling and critical exponents.
(from **nptel.ac.in**)

Lecture 16 - The Dynamic Mobility |

Definition of the mobility of a Brownian particle. Zero-frequency mobility and diffusion constant. Dynamic mobility as a generalised susceptibility. Consistency of the Langevin model with linear response theory. Non-diffusive behaviour of a Brownian oscillator.

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