Fluctuation theorems and Jarzynski equality: general introduction
References:
"Non-equilibrium fluctuations in small systems: From physics to
biology", 2007, F. Ritort, arXiv:0705.0455v1
"The Non-equilibrium Thermodynamics of Small Systems", 2005, C. Bustamante, J Liphardt, F. Ritort, Physics Today 58, 43-48