Entropy of field interacting with two two-qubit atoms Project supported by the National Natural Science Foundation of China (Grant No. 11404108). |
(color online) Evolution of Sf(t) with scaled time gt versus different |α| for a = −b = c = −d = 1/2. From (a) to (d), |α| = 0.5, 3.5, 7.0, 10.0, respectively. |