Quintessence
Concept
A hypothetical form of dark energy, represented by a scalar field, that might explain the accelerated expansion of the universe.
Mentioned in 2 videos
Videos Mentioning Quintessence

Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe | Lex Fridman Podcast #137
Lex Fridman
A hypothetical form of dark energy that could vary in time and space, one of many possibilities beyond a constant vacuum energy.

What Makes The Strong Force Strong?
PBS Space Time
A hypothetical form of dark energy, represented by a scalar field, that might explain the accelerated expansion of the universe.