Abstract
We consider a dissipative system of two qubits interacting with a cavity field through the degenerate 2-photon transitions. The cavity is initially prepared in a superposition of coherent states. The non-classical correlations (NCCs) are investigated. Their robustness is analyzed by using the Skew information and the Bell’s non-locality. We show that the system presents stationary correlations and sudden birth entanglement. These phenomena depend crucially on the superposition of the coherent states, the dissipation rate and the dipole-dipole interaction parameters.
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Mohamed, AB.A., Eleuch, H. Dynamics of Skew-Information and Bell’s Inequality Correlations for Two Coupled Dipole Qubits with 2-Photon Transition. Int J Theor Phys 58, 1698–1710 (2019). https://doi.org/10.1007/s10773-019-04068-w
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DOI: https://doi.org/10.1007/s10773-019-04068-w