Generalized Fokker-Planck equation for a nonlinear Brownian motion with fluctuations in the control parameter
Anno: 1979
Autori: Arecchi F.T., Politi A.
Affiliazione autori: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy
Department of Physics, University of Firenze, 50125 Firenze, Italy
Abstract: The paper presents a generalized Fokker-Planck equation for the probability density P(x,t) of the internal parameter x, when the external control parameter y is affected by fluctuations. The treatment is generally valid for all transition phenomena (either pumped or at thermal equilibrium), whenever they are described by a mean field. As an example, the nonlinear diffusion equation for the optical bistability is derived using the general Fokker-Planck equation and heuristic arguments.
Giornale/Rivista: OPTICS COMMUNICATIONS (PRINT)
Volume: 29 (3) Da Pagina: 361 A: 363
Parole chiavi: Brownian movemenys; fluctuation theory; Fokker-Planck equationCitazioni: 11dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2024-05-12Riferimenti tratti da Isi Web of Knowledge: (solo abbonati)