Information theory of open fragmenting systems
F. Gulminelli, Ph. Chomaz, O. Juillet, M. J. Ison, C. O. Dorso
Abstract
An information theory description of finite systems explicitly evolving in time is presented. We impose a MaxEnt variational principle on the Shannon entropy at a given time while the constraints are set at a former time. The resulting density matrix contains explicit time odd components in the form of collective flows. As a specific application we consider the dynamics of the expansion in connection with heavy ion experiments. Lattice gas and classical molecular dynamics simulations are shown.
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