Entanglement dynamics of the Tavis-Cummings model without rotating wave approximation

Jingpei Feng; Xuezao Ren; Shu He

doi:10.1117/12.2073612

18 November 2014 Entanglement dynamics of the Tavis-Cummings model without rotating wave approximation

Jingpei Feng, Xuezao Ren, Shu He

Proceedings Volume 9269, Quantum and Nonlinear Optics III; 926916 (2014) https://doi.org/10.1117/12.2073612
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

We study the entanglement dynamics of T-C (Tavis-Cummings) model without rotating wave approximation. By using displaced coherent state method, the influence of initial state and coupling strength to concurrence is numerically studied. Our result demonstrates that the entanglement between two atoms always keep maximum when the initial state is antisymmetric while the non-entangled initial state produce entanglement periodically due to the effect of non-rotating terms. We also show that the coupling strength between the cavity field and atoms play a critical role in the entanglement dynamics.

Citation Download Citation

Jingpei Feng, Xuezao Ren, and Shu He "Entanglement dynamics of the Tavis-Cummings model without rotating wave approximation", Proc. SPIE 9269, Quantum and Nonlinear Optics III, 926916 (18 November 2014); https://doi.org/10.1117/12.2073612

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