A method for implementing a distributed generalized control NOT gate and a method for implementing a distributed generalized control Z gate

Abstract

The application relates to the technical field of quantum computation, and discloses an implementation method of a distributed generalized controlled NOT gate and an implementation method of a distributed generalized controlled Z gate. The method comprises the following steps: a local node initializes a flying bit; a Hadamard gate is operated on a local target quantum bit; the local quantum bit controls a NOT gate operation on the flying bit; the flying bit is transmitted to a center node; the center node performs joint projection measurement on the flying bit; the local node performs feedforward operation on the local quantum bit according to the joint projection measurement result; and a Hadamard gate is operated on the local target quantum bit. The application removes the two Hadamard gate operations on the local target quantum bit, and thus the distributed generalized controlled Z gate can be implemented. The application further improves the distribution distance of the distributed quantum logic gate, and provides a new effective solution for large-scale distributed quantum computation.

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