【摘要】 为了制备量子纠缠态这种有用的量子信息"资源",在共振相互作用的腔量子电动力学技术方案的基础上,讨论了一种原子纠缠态的制备过程.提出了制备最大的纠缠态——GHZ态及非最大纠缠态——W态的方案.两种态的最大区别是:GHZ态的任意两粒子是可分态,多粒子才是纠缠态;而W态的任意两个粒子都是纠缠态,则对于W态的多粒子来说,即使丢失其中一个或多个粒子,剩余的两粒子仍然保持纠缠.该过程有望用现在的腔量子电动力学实验技术实现.更多还原

【Abstract】 For the sake of making this kind of useful quantum information "resource" of quantum entanglement.Here we propose a new prepare process on the foundation of the cavity quantum electrodynamics technique project of the resonance interaction,put forward a kind of making process that atom entangled state.Made to prepare two typical quantum entangled states in cavity QED: GHZ and W states of atoms,which belong to inequivalent classes of entangled states.GHZ state is maximally entangled state,while W states are non-maximally entangled states.They hold many interesting applications in quantum information processing and high-precision measurements.Therefore it is expected to be implemented with the current cavity QED experimental technology.更多还原