Considering Late-Time Acceleration in Some Cosmological Models

Figure 6

𝜔_𝜙 vary for different values of the vector field by 𝑚 and 𝑡 for 𝑛=3 and 𝜁=−2. Positive values of 𝜁 do not show a phantom divided line crossing. The values of 𝜁 are obtained with (50).