In physics, quintessence is a hypothetical form of dark energy, more precisely a scalar field minimally coupled to gravity, postulated as an explanation of the observation of an accelerating rate of expansion of the universe. The first example of this scenario was proposed by Bharat Ratra and Jim Peebles (1988) and Christof Wetterich (1988).
In physics, quintessence is a hypothetical form of dark energy, more precisely a scalar field minimally coupled to gravity, postulated as an explanation of the observation of an accelerating rate of expansion of the universe. The first example of this scenario was proposed by Bharat Ratra and Jim Peebles (1988) and Christof Wetterich (1988).
Source: Wikipedia "Quintessence (physics)" · CC BY-SA 4.0
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