Space-time curvature due to quantum vacuum fluctuations: An alternative to dark energy?
Abstract
It is pointed out that quantum vacuum fluctuations may give rise to a curvature of space-time equivalent to the curvature currently attributed to dark energy. A simple calculation is made, which suggests that the value of the dark energy density is roughly given by the product of Newton constant time the quantity m6 c4 h-4, m being a typical mass of elementary particles. The estimate is compatible with observations.
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