Quantum coherence preservation of atom with a classical driving field under non-Markovian environment

Gao De-Ying^{1, 2}, Gao Qiang¹, Xia Yun-Jie^{1, †}

(color online) Plots of the atomic coherence versus dimensionless quantity , and versus (a) detuing Δ with δ = 0, Ω = 2, (b) detuning δ with Δ = 0, Ω = 2 in the non-Markovian regime .