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We address the effect of classical noise on the dynamics of quantumcorrelations, entanglement and quantum discord, of two non-interacting qubitsinitially prepared in a Bell state. The effect of noise is modeled byrandomizing the single-qubit transition amplitudes. We address both static anddynamic environmental noise corresponding to interaction with separate commonbaths in either Markovian and non-Markovian regimes. In the Markov regime, amonotone decay of the quantum correlations is found, whereas for non-Markoviannoise sudden death and revival phenomena may occur, depending on thecharacteristics of the noise. Entanglement and quantum discord show the samequalitative behavior for all kind of noises considered. On the other hand, wefind that separate and common environments may play opposite roles inpreserving quantum correlations, depending on the noise regime considered.

Effects of classical environmental noise on entanglement and quantum discord