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.
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