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Manipulation of entanglement and preparation of quantum states for moving two-atom and the light field via intensity-dependent coupling
2012
Wuli xuebao
In this paper, the Tavis-Cummings model is generalized to simultaneously consider the atomic motion and the field via intensity dependent coupling. Under the conditions of vacuum field, weakly and strongly coherent field, the entanglement evolution properties of two-atom-field and two-atom-two-atom are investigated using atomic reduced entropy and concurrence, respectively. According to evolution characteristics above, we prepare the W-class states of two-atom-field, two-atom Bell state,
doi:10.7498/aps.61.230301
fatcat:dnmtr4tup5fopdhb243wn2fzym