The entanglement degrees of two coupling-atoms interacting with a single-mode vacuum field in the Tavis-Cummings model were investigated by using quantum relative entropy.

• 用量子相对熵研究了耦合双原子与单模真空场相互作用系统的纠缠度,讨论了原子间偶极相互作用对相对熵纠缠度的影响。