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An exact analytic solution for two two-level atoms coupled with amulti-photon single-mode electromagnetic cavity field in the presence of theStark shift is derived. We assume that the field is initially prepared in acoherent state and the two atoms are initially prepared in an excited state.Considering the atomic level shifts generated by the Stark shift effect, thedynamical behavior of both quantum coherence (QC) measured using a quantumJensen-Shannon divergence and of quantum correlations captured by quantumdiscord (QD) are investigated. It is shown that the intensity-dependentStark-shift in the cavity and the number of coherent state photons plays a keyrole in enhancing or destroying both QC and QD during the process of intrinsicdecoherence. We remarked that increasing the Stark-shift parameters, thefrequencies of the transition for the mode of the cavity field, and photonsnumber destroy both the amount of QC and QD and effected their periodicity.More importantly, QC and QD exhibit similar behavior and both show a revivalphenomenon. We believe that the present work shows that the quantum informationprotocols based on physical resources in optical systems could be controlled byadjusting the Stark-shift parameters.

Influence of Stark-shift on quantum coherence and non-classical correlations for two two-level atoms interacting with a single-mode cavity field