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29 April 2022 Thermal entanglement in Tavis-Cummings models with Kerr media
Eugene K. Bashkirov
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Proceedings Volume 12193, Laser Physics, Photonic Technologies, and Molecular Modeling; 121930Q (2022) https://doi.org/10.1117/12.2625838
Event: XXV Annual Conference Saratov Fall Meeting 2021; and IX Symposium on Optics and Biophotonics, 2021, Saratov, Russian Federation
Abstract
In this paper, we investigated the entanglement dynamics between two dipole-coupled qubits not-resonantly interacting with a thermal one-mode field of lossless cavity with Kerr media. We obtained the exact solution for time-dependent density matrix and calculated on its basis the qubit-qubit entanglement parameter – negativity. The results show that Kerr nonlinearity greatly affected the entanglement behavior. More interestingly, that for initial entangled qubits states Kerr media avoids the entanglement sudden death effect.
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Eugene K. Bashkirov "Thermal entanglement in Tavis-Cummings models with Kerr media", Proc. SPIE 12193, Laser Physics, Photonic Technologies, and Molecular Modeling, 121930Q (29 April 2022); https://doi.org/10.1117/12.2625838
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KEYWORDS
Chemical species
Systems modeling
Thermal modeling
Superconductors
Solids
Telecommunications
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