Enhancing the generated stable correlation in a dissipative system of two coupled qubits inside a coherent cavity via their dipole-dipole interplay

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Abstract

We explore the dissipative dynamics of two coupled qubits placed inside a coherent cavity-field under dipole-dipole interplay and 2-photon transitions. The generated non-classical correlations (NCCs) beyond entanglement are investigated via two measures based on the Hilbert-Schmidt norm. It is found that the robustness of the generated NCCs can be greatly enhanced by performing the intrinsic dissipation rate, dipole-dipole interplay rate, initial coherence intensity and the degree of the coherent state superpositions. The results show that the intrinsic decoherence stabilize the stationarity of the non-classical correlations while the dipole interplay rate boost them. The non-classical correlations can be frozen at their stationary correlations by increasing the intrinsic dissipation rate. Also NCCs, can be enhanced by increasing the initial coherent intensity.

Original languageEnglish
Article number672
JournalEntropy
Volume21
Issue number7
DOIs
StatePublished - 1 Jul 2019

Keywords

  • Dipole-dipole interplay
  • Intrinsic dissipation
  • Mon-classical correlations

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