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In this paper we study the possibility of modifying the dynamics of bothquantum correlations, such as entanglement and discord, and classicalcorrelations of an open bi-partite system by means of the quantum Zeno effect.We consider two qubits coupled to a common boson reservoir at zero temperature.This model describes, for example, two atoms interacting with a quantized modeof a lossy cavity. We show that, when the frequencies of the two atoms aresymmetrically detuned from that of the cavity mode, oscillations between Zenoand anti-Zeno regimes occur. We also calculate analytically the time evolutionof both classical correlations and quantum discord, and we compare the Zenodynamics of entanglement with the Zeno dynamics of classical correlations anddiscord.

Quantum Zeno and anti-Zeno effects on quantum and classical correlations