Domain Wall Splitting in Extra Dimension

Figure 2

The same as Figure 1 but the mass parameter is parameterized by 𝑎=1−𝜀. And we have taken 10⁻¹²≤𝜀≤10⁻¹¹. Therefore, close to the critical value of 𝑎_𝑐, the solution is composed of two distinct domain walls.