Entanglement properties between two atoms in the binomial optical field interacting with two entangled atoms

Liu Tang-Kun^{1, †,}, Zhang Kang-Long^{1, 2}, Tao Yu¹, Shan Chuan-Jia¹, Liu Ji-Bing¹

Time evolution of E_AB versus θ = π/3, or θ = 2π/3 for different G. The parameters are ϕ = 0, M = 5, and σ = 0.5. From panel (a) to panel (d): G = 0; G = 1; G = 5; G = 10.