Tripartite entanglement dynamics for mixed states in the Tavis-Cummings model with intrinsic decoherenceXi-Wen Hou, Ming-Fang Wan and Zhong-Qi MaEur. Phys. J. D, 66 6 (2012) 152DOI: https://doi.org/10.1140/epjd/e2012-30018-4