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理论物理通讯：英文版

Generation of Entangled Multi-atom Dicke States in Cavity Quantum Electrodynamics

疏静, 刘中

Published Jan 1, 2010• 0 citations
OpenAlex

Abstract

我们建议一个计划在洞量 electrodynamics (证完) 产生二原子的最大地纠缠的状态。如果我们与洞模式控制原子的相互作用时间，计划能被扩大到纠缠的多原子 Dicke 状态的产生。我们断热地在大原子洞 detuning 下面使用州的进化，因此计划对原子自发的腐烂感觉迟钝。忠实和成功概率上的洞腐烂的影响被讨论。

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我们建议一个计划在洞量 electrodynamics (证完) 产生二原子的最大地纠缠的状态。如果我们与洞模式控制原子的相互作用时间，计划能被扩大到纠缠的多原子 Dicke 状态的产生。我们断热地在大原子洞 detuning 下面使用州的进化，因此计划对原子自发的腐烂感觉迟钝。忠实和成功概率上的洞腐烂的影响被讨论。
在洞量 electrodynamics (证完) 的上下文，一个潜在的计划被建议产生纠缠的协调状态。计划与洞包括二水平的原子的相互作用两次。在第一个相互作用，二个原子分别地与大 detuning 被送到一个微波洞。然后第二个相互作用是二个原子进入另一个微波洞并且被反响的古典地同时驾驶。当我们选择合适的相互作用时间并且在二个原子上做测量时，二块微波洞模式地 determinatively 被纠缠。另外，概括计划到多洞和多原子是容易的。
We present a simple scheme to realize a highly controlled and selective atom-field interaction in cavity quantum electrodynamics system. It is shown that, based on such a selective interaction, nontrivial Dicke states of NNN trapped neutral atoms can be produced step by step in an optical cavity with a very high fidelity in the presence of the cavity decay. The scheme does not need a single-photon source and its injection into an optical cavity, and the atomic spontaneous emission is strongly suppressed due to a large atom-field detuning.