Some studies of the interaction between two two-level atoms and SU(1, 1) quantum systems
El-Shahat T M , Ismail M Kh
       

(color online) The behavior in the resonance case through the influences of atomic motion (p2) and field-mode structure (p). Panels (a1) and (a2) for Δ/λ = 0, r = 1, and p = 1; Panels (b1) and (b2) for Δ/λ = 0, r = 1, and p = 3.