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It is shown that, in the interaction of a field and a qubit, there exists a relation between the linear entropy and the von Neumann entropy. The Cayley–Hamilton theorem is… Click to show full abstract
It is shown that, in the interaction of a field and a qubit, there exists a relation between the linear entropy and the von Neumann entropy. The Cayley–Hamilton theorem is used to obtain such relation. In the case we study, the qubit is given by the internal degrees of freedom of an ion trapped in a Paul trap and the field given by its external (vibrational) degrees of freedom.
Keywords:
relation entropy;
linear entropy;
ion;
relation;
interaction
Journal Title: Journal of Modern Optics
Year Published: 2020
Link to full text (if available)
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Journal Title: Journal of Modern Optics
Year Published: 2020
Link to full text (if available)
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recommendations!