Entanglement in Tavis-Cummings model with Kerr nonlinearity induced by a thermal noise

Eugene K. Bashkirov

doi:10.1117/12.2588673

4 May 2021 Entanglement in Tavis-Cummings model with Kerr nonlinearity induced by a thermal noise

Eugene K. Bashkirov

Proceedings Volume 11846, Saratov Fall Meeting 2020: Laser Physics, Photonic Technologies, and Molecular Modeling; 118460W (2021) https://doi.org/10.1117/12.2588673
Event: Saratov Fall Meeting 2020, 2020, Saratov, Russian Federation

Abstract

In this paper, we investigated the entanglement dynamics between two superconducting qubits interacting with a thermal one-mode field of lossless cavity with the Kerr media. We obtained the exact solution for time- dependent density matrix and calculated on its basis the qubi-qubit entanglement parameter-negativity. The results show that Kerr nonlinearity greatly affected the entanglement behaviour. More interestingly, that initial qubits coherence greatly enhances the degree of entanglement in the presence of the Kerr medium.

Citation Download Citation

Eugene K. Bashkirov "Entanglement in Tavis-Cummings model with Kerr nonlinearity induced by a thermal noise", Proc. SPIE 11846, Saratov Fall Meeting 2020: Laser Physics, Photonic Technologies, and Molecular Modeling, 118460W (4 May 2021); https://doi.org/10.1117/12.2588673

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