Non-equilibrium physics




Time/place: Lecture:  Mon & Wed 10:00-12:00 in D6-135)  (eKVV)
Tutorials:  Thu 10:00-12:00 (D01-295)  (eKVV)
Nicolas Borghini (borghini at physik dot uni-bielefeld dot de) E6-123
Oral exam; registration at the end of the semester
Homepage:   http://www.physik.uni-bielefeld.de/~borghini/Teaching/Nonequilibrium13-14
→ latest version of the lecture: 
     http://www.physik.uni-bielefeld.de/~borghini/Teaching/Nonequilibrium
 
News: Results of the evaluation: lecture, tutorials
 
Prerequisites:  Theoretische Physik I, II & III
 
Literature: * Huang: Statistical mechanics
* Kubo, Toda & Hashitsume: Statistical physics II
* Landau & Lifschitz: Course of theoretical physics,
              Vol. 5: Statistical physics
              Vol. 9: Statistical physics, part II
              Vol. 10: Physical kinetics
* Pottier: Nonequilibrium statistical physics
* Reif: Fundamentals of statistical and thermal physics
* Boon & Yip: Molecular hydrodynamics
* Zwanzig: Nonequilibrium statistical mechanics
 
Content: Thermodynamics of irreversible processes
  October 14: Reminder on thermostatics
  October 16: Thermodynamics of irreversible processes: description
  October 21 & 23: Linear irreversible thermodynamical processes: generalities and first examples
  October 28 & 30: Linear irreversible thermodynamical processes in simple fluids
Kinetic equations
  November 11: Random variables
  November 13: Probabilistic description of classical many-body systems
  November 18: Time evolution of reduced phase-space densities. BBGKY hierarchy
  November 20: Boltzmann equation: collision term
  November 25: Boltzmann equation: Balance equations, H-theorem
  November 27: no lecture
  December 2 & 4: Relativistic Boltzmann equation
  December 9: Boltzmann equation: equilibrium solutions; computation of transport coefficients
  December 11: From the Boltzmann equation to hydrodynamics
Stochastic processes
  December 16: Stochastic processes
  December 18: Brownian motion: Langevin model
  January 6: Spectral analysis of stationary stochastic processes;  application to the Langevin model
  January 8: Fokker-Planck equation
  January 13: Fokker-Planck equation for the Langevin model;  generalized Langevin model
Linear response theory
  January 15: Reminder on the probabilistic description of quantum-mechanical many-body systems
                      Linear response: retarded propagator, generalized susceptibility
  January 20: Linear response: spectral density & dissipation
  January 22: Linear response: canonical & symmetric correlation functions.
                      Application to the harmonic oscillator
  January 27: Fluctuation-dissipation theorem; linear response and symmetries
  January 29: Sum rules. Quantum Brownian particle
  February 3: Caldeira-Leggett model
  February 5: Mori theory & Mori-Langevin equation