What If Dark Energy is a New Quantum Field?
What is Quintessence? Well we know that something is up with the way the universe is expanding – there’s some kind of anti-gravitational effect that’s causing the expansion to accelerate.
We don’t know what it is – just that it competes against the inward-pulling effect of gravity. And it’s winning – it looks like the universe will expand forever, at an ever-increasing rate. We call this mysterious influence dark energy, but while we’ve talked a lot about how it behaves, we’ve never really explored what it is. So, what is dark energy, really?
One strong possibility is quintessence. Quintessence is a hypothetical form of dark energy,
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