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DY: Dynamik und Statistische Physik

DY 20: Struktur und Chaos

DY 20.3: Invited Talk

Tuesday, March 28, 2000, 10:30–11:00, H2

Dynamical Chaos and Nonequilibrium Statistical Mechanics — •Pierre Gaspard — Center for Nonlinear Phenomena and Complex Systems, C.P. 231 - Campus Plaine; B-1050 Bruxelles; Belgien

Chaos in the motion of atoms and molecules composing fluids is a new topic in nonequilibrium physics. Relationships are established between the characteristic quantities of chaos and the transport coefficients on the fractal repeller of the escape-rate formalism. Moreover, the hydrodynamic modes of relaxation toward the thermodynamic equilibrium as well as the nonequilibrium stationary states turn out to be described by fractal-like singular distributions. This singular character explains the second law of thermodynamics as an emergent property of large chaotic systems.