Higgs Field in Universe: Long-Term Oscillation and Deceleration/Acceleration Phases

Figure 6

The profiles 𝑎(𝑡) for regular (𝑎̇₀=0.08) and singular (𝑎̇₀=0.2) solutions. The parameters 𝜆=0.41, 𝑎₀=1.0, 𝜙₀=−0.0028; 𝜙̇₀=−2𝑎̇²₀+2/𝑎₀, and 𝑚=0.603 are the same for both solutions.