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The entanglement dynamics in a bipartite system consisting of a qubit and aharmonic oscillator interacting only through their coupling with the same bathis studied. The considered model assumes that the qubit is coupled to the bathvia the Jaynes-Cummings interaction, whilst the position of the oscillator iscoupled to the position of the bath via a dipole interaction. We give amicroscopic derivation of the Gorini-Kossakowski-Sudarshan-Lindblad equationfor the considered model. Based on the Kossakowski Matrix, we show thatnon-classical correlations including entanglement can be generated by theconsidered dynamics. We then analytically identify specific initial states forwhich entanglement is generated. This result is also supported by our numericalsimulations.

Dynamics of quantum correlations in a Qubit-Oscillator system interacting via a dissipative bath