Abstract:In this paper, a quantum scheme for a two-qubit system (2QS) and field
initially prepared in the excited negative binomial distribution is
presented. The field photon statistics is detected from the evolution of
the Mandel parameter, while the evolution of von Neumann entropy detects the
nonlocal correlation between the 2QS and radiation field. The concurrence is
used to detect the qubit-qubit entanglement during the time evolution. The
dynamical properties of single-qubit and two-qubit quant… Show more
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