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- Title
Equilibrium Glauber dynamics of continuous particle systems as a scaling limit of Kawasaki dynamics.
- Authors
Finkelshtein, Dmitri L.; Kondratiev, Yuri G.; Lytvynov, Eugene W.
- Abstract
A Kawasaki dynamics in continuum is a dynamics of an infinite system of interacting particles in ℝ d which randomly hop over the space. In this paper, we deal with an equilibrium Kawasaki dynamics which has a Gibbs measure µ as invariant measure. We study a scaling limit of such a dynamics, derived through a scaling of the jump rate. Informally, we expect that, in the limit, only jumps of "infinite length" will survive, i.e., we expect to arrive at a Glauber dynamics in continuum (a birth-and-death process in ℝ d). We prove that, in the low activity-high temperature regime, the generators of the Kawasaki dynamics converge to the generator of a Glauber dynamics. The convergence is on the set of exponential functions, in the L2( µ)-norm. Furthermore, additionally assuming that the potential of pair interaction is positive, we prove the weak convergence of the finite-dimensional distributions of the processes.
- Subjects
MATHEMATICAL continuum; STOCHASTIC convergence; EXPONENTIAL functions; TRANSCENDENTAL functions; HYPERGEOMETRIC functions; GAMMA functions
- Publication
Random Operators & Stochastic Equations, 2007, Vol 15, Issue 2, p105
- ISSN
0926-6364
- Publication type
Article
- DOI
10.1515/rose.2007.007