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The Quantum-Classical Transition as an Information Flow

Kowalski, Andres M.; Martin, Maria T.; Zunino, Luciano; Plastino, Angelo; Casas, Montserrat
Entropy 12, 148-160 (2010)

We investigate the classical limit of the semiclassical evolution with reference to a well-known model that represents the interaction between matter and a given field. This is done by recourse to a special statistical quantifier called the ``symbolic transfer entropy''. We encounter that the quantum-classical transition gets thereby described as the sign-reversal of the dominating direction of the information flow between classical and quantal variables.