Showing papers by "Lai Sang Young published in 2014"

Hard Ball Systems and the Lorentz Gas

Abstract: Part I. Mathematics: 1. D. Burago, S. Ferleger, A. Kononenko: A Geometric Approach to Semi-Dispersing Billiards.- 2. T. J. Murphy, E. G. D. Cohen: On the Sequences of Collisions Among Hard Spheres in Infinite Spacel- 3. N. Simanyi: Hard Ball Systems and Semi-Dispersive Billiards: Hyperbolicity and Ergodicity.- 4. N. Chernov, L.-S. Young: Decay of Correlations for Lorentz Gases and Hard Balls.- 5. N. Chernov: Entropy Values and Entropy Bounds.- 6. L. A. Bunimovich: Existence of Transport Coefficients.- 7. C. Liverani: Interacting Particles.- 8. J. L. Lebowitz, J. Piasecki and Ya. G. Sinai: Scaling Dynamics of a Massive Piston in an Ideal Gas .- Part II. Physics: 1. H. van Beijeren, R. van Zon, J. R. Dorfman: Kinetic Theory Estimates for the Kolmogorov-Sinai Entropy, and the Largest Lyapunov Exponents for Dilute, Hard-Ball Gases and for Dilute, Random Lorentz Gases.- 2. H. A. Posch and R. Hirschl: Simulation of Billiards and of Hard-Body Fluids.- 3. C. P. Dettmann: The Lorentz Gas: a Paradigm for Nonequilibrium Stationary States.- 4. T. Tl, J. Vollmer: Entropy Balance, Multibaker Maps, and the Dynamics of the Lorentz Gas.- Appendix: 1. D. Szasz: Boltzmanns Ergodic Hypothesis, a Conjecture for Centuries?

Nonequilibrium steady states for a class of particle systems

Abstract: This paper contains rigorous results on nonequilibrium steady states for a class of particle systems coupled to unequal heat baths. These stochastic models are derived from the mechanical chains studied by Eckmann and Young by randomizing certain quantities while retaining other features of the model. Our results include the existence and uniqueness of nonequilibrium steady states, their relation to Lebesgue measure, tail bounds on total energy and number of particles in the system, and exponential convergence to steady states from suitable initial conditions.