Quantum coherence preservation of atom with a classical driving field under non-Markovian environment
Gao De-Ying1, 2, Gao Qiang1, Xia Yun-Jie1, †
       

Atomic coherence (solid line), the atom-reservoir entanglement (dash line), the reservoir coherence (dotted line) as a function of with Δ = 0, δ = 0 for different driving field strengths in the non-Markovian regime . (a) Ω = 0, (b) Ω = 0.5, (c) Ω = 1, and (d) Ω = 3.