Abstract
A scheme is presented for generating steady three-atom singlet states via three V-type atoms interacting with a strongly dissipative two-mode cavity. The local quantum feedback control is applied based on quantum-jump detection to make the target state fidelity as high as possible. This scheme is insensitive to detection inefficiencies since it only delays the time at which stationarity is achieved. Nevertheless, the spontaneous emission plays a negative role in the current system.
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