Abstract
We study the dynamics of an infinite system of point particles of two types. They perform random jumps in mathbb {R}^d in the course of which particles of different types repel each other whereas those of the same type do not interact. The states of the system are probability measures on the corresponding configuration space. The main result is the construction of the global (in time) Markov evolution of such states by means of correlation functions. It is proved that for each initial sub-Poissonian state mu _0, the states evolve mu _0 mapsto mu _t in such a way that mu _t is sub-Poissonian for all t>0. The mesoscopic (approximate) description of the evolution of states is also given. The stability of translation invariant stationary states is studied. In particular, we show that some of such states can be unstable with respect to space-dependent perturbations.
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