Instabilities in Thermal Gravity with a Cosmological Constant

Details Instabilities in Thermal Gravity with a Cosmological Constant Instabilities in Thermal Gravity with a Cosmological Constant

2008-06-10

arxiv.org/abs/0806.1651v1

Phys.Lett.B665:264-266,2008

Physics

High Energy Physics

High Energy Physics - Theory

3 pages. To be published in Physics Letters B

Scientific paper

10.1016/j.physletb.2008.06.009

It is shown that in quantum gravity at finite temperature, the effective
potential evaluated in the tadpole approximation can have a local minimum below
a certain critical temperature. However, when the leading higher order thermal
loop corrections are included, one finds that no static solution exists at high
temperature.

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