On the value of the cosmological constant in a gas of virtual wormholes

被引：0
|
作者：
A. A. Kirillov
E. P. Savelova
机构：
[1] Dubna International University of Nature,Society and Man
来源：
Gravitation and Cosmology | 2013年 / 19卷
关键词：
Dark Energy; Green Function; Cosmological Constant; Planckian Scale; Vacuum Polarization;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
It is shown that due to vacuum polarization effects virtual wormholes form a finite (of Planckian order) value of the energy density of zero-point fluctuations. However, such a huge value is compensated by the contribution of virtual wormholes to the mean curvature, and the observed value of the cosmological constant should be close to zero. A non-vanishing value appears due to vacuum polarization in external classical fields.
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页码：92 / 100
页数：8
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