## 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 15 - Linear Response Theory (Part 9) |

Derivation of the response in the Heisenberg picture. Differential and integral equations for the time-development operator. Solution to first order in the perturbation. Expression for the response function. General relation between power spectra of the response and fluctuations.

Go to **the Course Home** or watch other lectures: