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Spontaneous Symmetry Breaking Vacuum Energy in Cosmology

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arxiv 1110.0065 v1 pith:SDKJMHNC submitted 2011-10-01 gr-qc hep-th

Kang Zhou , Rui-Hong Yue , Zhan-Ying Yang , De-Cheng Zou This is my paper
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keywords energybreakingsymmetryvacuumdensityeffectgravitationalobserved
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abstract

In present paper the gravitational effect of spontaneous symmetry breaking vacuum energy density is investigated by subtracting the flat space-time contribution from the energy in the curved space-time. We found that the remain effective energy-momentum tensor is too small to cause the acceleration of the universe although it satisfies the characteristic of the dark energy. However it could provide a promising explanation to the puzzle why the gravitational effect produced by the huge symmetry breaking vacuum energy in the electroweak theory has not been observed, since it has a sufficient small value (smaller than the observed cosmic energy density by a factor $10^{32}$).

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