Analytical and numerical investigations of displaced thermal state evolutions in a laser process Project supported by the National Natural Science Foundation of China (Grant No. 11347026) and the Natural Science Foundation of Shandong Province, China (Grant Nos. ZR2016AM03 and ZR2017AM011). |
(color online) Time-evolution of the von Neumann entropy of the state ρ(V,d) for different values V, d, and κ,g, taking the same values as those of Fig. |