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Tsallis’ deformation parameter q quantifies the classical–quantum transition


We investigate the classical limit of a type of semiclassical evolution, the pertinent system representing the interaction between matter and a given field. On using as a quantifier of the ensuing dynamics Tsallis q-entropy, we encounter that it not only appropriately describes the quantum-classical transition, but that the associated deformation-parameter q itself characterizes the different regimes involved in the process, detecting the most salient fine details of the changeover.

Palabras clave
Tsallis entropy
semiclassical theories
quantum chaos
statistical complexity

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