Fokker-Planck Equation and Thermodynamic System Analysis
AbstractThe non-linear Fokker-Planck equation or Kolmogorov forward equation is currently successfully applied for deep analysis of irreversibility and it gives an excellent approximation near the free energy minimum, just as Boltzmann’s definition of entropy follows from finding the maximum entropy state. A connection to Fokker-Planck dynamics and the free energy functional is presented and discussed—this approach has been particularly successful to deal with metastability. We focus our attention on investigating and discussing the fundamental role of dissipation analysis in metastable systems. The major novelty of our approach is that the obtained results enable us to reveal an appealing, and previously unexplored relationship between Fokker-Planck equation and the associated free energy functional. Namely, we point out that the dynamics may be regarded as a gradient flux, or a steepest descent, for the free energy. View Full-Text
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Lucia, U.; Gervino, G. Fokker-Planck Equation and Thermodynamic System Analysis. Entropy 2015, 17, 763-771.
Lucia U, Gervino G. Fokker-Planck Equation and Thermodynamic System Analysis. Entropy. 2015; 17(2):763-771.Chicago/Turabian Style
Lucia, Umberto; Gervino, Gianpiero. 2015. "Fokker-Planck Equation and Thermodynamic System Analysis." Entropy 17, no. 2: 763-771.