Fang, Mao-Fa; Zhu, Shi-Yao - In: Physica A: Statistical Mechanics and its Applications 369 (2006) 2, pp. 475-483
The entanglement between a Λ-type three-levels atom and its spontaneous emission field is studied by using the quantum entropy. The results show that, there is a steady state entanglement between the Λ-type three-level atom and its spontaneous emission field. The entanglement between the...