Quantum mutual entropy for two-level ion in a q-analog trap
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Quantum mutual entropy is used as a measure of information content of ionic state due to ion-laser interaction in a q-analog trap. The initial state of the system is a Schrodinger cat state. It is found that the partial mutual entropy is a good measure of the entanglement and purity of the ionic state at $t>0$.
11 pages, 2 figures, submitted to JMO
11 pages, 2 figures, submitted to JMO