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We present a scheme for remotely preparing a state via the controls of many agents in a network.In thescheme,the agents’ controls are achieved by utilizing quantum key distribution.Generally,the original state can berestored by the receiver with probability 1/2 if all the agents collaborate.However,for certain type of original states therestoration probability is unit.
The present state can berestored by utilizing the receiver with probability 1/2 if all the agents collaborate.However, for certain type of original states thereoration probability is unit.