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中文摘要：
研究了2对非相互作用、空间分离的原子在双模腔场作用下的三体和两体纠缠动力学行为。对非简并双光子Tavis-Cummings模型进行了研究，通过数值计算分析了纠缠初始状态、原子与腔场以及光纤模与腔场的耦合强度对纠缠的影响。结果表明：纠缠初始状态对原子间的纠缠有显著影响；较大的场和光纤模的耦合强度可以实现原子与原子间最大纠缠的转移；较大的原子与腔场耦合强度有助于两原子与腔场构成三体纠缠。
英文摘要：
The two-body and three-body entanglement dynamics behavior of two pairs of non-interacting, spatially separated atoms in dual-mode cavity field is investigated. The non-degenerate two photons Tavis- Cummings model is investigated. Influences of the initial state of entanglement, coupling strength between atom and cavity field, optical fiber mode and cavity field on entanglement are analyzed by numerical calculation. Results show that initial state of entanglement has significant influence on entanglement between atoms. The larger coupling strength between cavity filed and optical fiber mode can achieve the transfer of maximal entanglement between atoms. The larger coupling strength between atom and cavity field can help build up the three-body entanglement between two atoms and cavity field.
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Manipulating entanglement of two qubits in a common environment by means of weak measurements and qu
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