N粒子量子态的隐形传送的理论分析

A Theoretical Analysis of Teleportation of N Particle Quantum State

在量子态的隐形传送中,如果要对一个任意N粒子态实现隐形传送,发送者A lice和接受者Bob之间须建立一个非局域的2N个纠缠粒子作为量子通道,发送者对需传送的N粒子量子态与属于自己的纠缠对中的粒子分别进行N次B e ll基测量,则将有22N个塌陷态,即有22N个变换算符,本文推导出变换算符的计算公式,并给出这22N个变换算符之间的关系,从而使接受者对自己拥有的粒子进行相应的变换大为简便,进一步由变换算符性质分析量子隐形传送的必要条件及成功几率。

In the process of Quantum teleportation if an arbitrary N particle quantum state teleportation is realized, the sender Alice and receiver Bob should establish a quantum channel which is a nonlocal 2N entangled particle. The sonder does n times Bell-state measurements to the N particle quantum state, which needs to be send, and those particles belongs to its entangled particle. There will be 2^2N callapses states and 2^2N transformation operators. In this paper both formula of the transformation operators and the relationship among 2^2N transformation operators are given. The possibility of success and the necessary condition of quantum teleportation are also discussed.