DOI: 10.1007/978-3-642-11456-4_7
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A. T. Baraviera, C. F. Lardizabal, A. O. Lopes, M. Terra Cunha

Abstract: Quantum Information is a new area of research which has been growing rapidly since last decade. This topic is very close to potential applications to the so called Quantum Computer. In our point of view it makes sense to develop a more "dynamical point of view" of this theory. We want to consider the concepts of entropy and pressure for "stationary systems" acting on density matrices which generalize the usual ones in Ergodic Theory (in the sense of the Thermodynamic Formalism of R. Bowen, Y. Sinai and D. Rue…

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