Dynamic properties of atomic collective decay in cavity quantum electrodynamics<xref rid="cpb_27_12_124206fn1" ref-type="fn">*</xref><fn id="cpb_27_12_124206fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11504272, 11774262, 11474003, and 11504003), the National Key Basic Research Special Foundation (Grant No. 2016YFA0302800), the Joint Fund of the National Natural Science Foundation of China (Grant No. U1330203), the Fund from the Shanghai Science and Technology Committee (STCSM) (Grant No. 18JC1410900), and the Natural Science Foundation of Anhui Province, China (Grant Nos. 1408085MA19 and 1608085ME102).</p></fn>

Dynamic properties of atomic collective decay in cavity quantum electrodynamics**

Project supported by the National Natural Science Foundation of China (Grant Nos. 11504272, 11774262, 11474003, and 11504003), the National Key Basic Research Special Foundation (Grant No. 2016YFA0302800), the Joint Fund of the National Natural Science Foundation of China (Grant No. U1330203), the Fund from the Shanghai Science and Technology Committee (STCSM) (Grant No. 18JC1410900), and the Natural Science Foundation of Anhui Province, China (Grant Nos. 1408085MA19 and 1608085ME102).

Han Yu-Feng^{1, 2}, Zhu Cheng-Jie^{1, †}, Huang Xian-Shan², Yang Ya-Ping^{1, ‡}

(color online) Physical model sketch and Dicke state diagram. (a) Two atoms are trapped in a single mode cavity with different positions. The ground (excited) state of each atom is labeled as |g〉 (|e〉). γ and κ represent the decays of atoms and cavity, respectively. The coupling strengths between atom and cavity are denoted by g₁ and g₂ respectively. (b)–(d) The coupling and decay between the lowest four Dicke states for phases between two atoms ϕ_z = 0, π/2, and π, respectively. Here, we define the collective states .