Dynamical evolution of photon-added thermal state in thermal reservoir*

Project supported by the National Natural Science Foundation of China (Grant No. 11665013).
Xu Xue-Xiang1, †, Yuan Hong-Chun2, ‡
       

Wigner logarithmic negativity versus evolution time κt with (a) ne = 0, ns = 0; (b) ne = 0.5, ns = 0.8, but different m. Here the red solid line, blue dashed line, and brown dot-dashed line are corresponding to m = 1, m = 2, and m = 3, respectively.