Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2011-01-06
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, 3 figures
Scientific paper
From the general principle that gravity originates from the coupling and thermal equilibrium between matter and vacuum background, we give two simple equations to calculate the quantum effect of gravity. From these two equations, we calculate the ratio between the dark energy density and that of the sum of the dark matter density and ordinary matter density. Without any fitting parameter, the ratio is calculated as 2.36, which agrees quantitatively with the result 7/3 obtained from various astronomical observations. The same quantum gravity effect explaining dark energy will also lead to abnormal gravity for a sphere full of superfluid helium. It is shown that with an atom interferometer placed in this sphere, the accuracy $\Delta g/g$ below $10^{-8}$ could be used to test our idea, which satisfies the present experimental technique of atom interferometer. The abnormal gravity effect would have important potential applications in black hole, possible experimental test of many-world interpretation, and even in condensed matter physics and material physics.
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