The Higgs field can reach higher-energy levels {inflaton field}. Perhaps, high potential energy from Higgs-field particles {inflaton} caused gravitational repulsion and accelerated universe expansion. Higher-energy levels are unstable. However, because initial universe is precisely homogeneous, universe does not change phase (supercooling) as it expands and cools, but prolongs inflation before changing phase. (If liquids have no nucleation sites as they cool, they supercool below temperature at which crystallization typically occurs, then they crystallize at lower temperature.) Perhaps, if supercooling delayed force decoupling, later decoupling released extra energy, which worked like antigravity and caused 10^100 times more space-vacuum negative pressure than before.
Physical Sciences>Astronomy>Universe>Cosmology>Theories>Inflation
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Date Modified: 2022.0224