Firstly,we show how the two-qubit state can be teleported with unit fidelity and unit probability by using a maximally entangled four-dimensional qudit pair as a quantum channel.

• 利用四维的二粒子最大纠缠态作为量子信道可成功地传送一个未知的二维二粒子量子态,其成功几率及态的保真度均为100%25。