Instabilities in thermal gravity with a cosmological constant

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Jul 2008Embargo end date: 01 Jan 2008 English Publisher:Elsevier BVJournal:Physics Letters B, volume 665, pages 264-266 (issn: 0370-2693,

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Authors: Brandt, F. T.; Frenkel, J.;

doi: 10.1016/j.physletb.2008.06.009 , 10.48550/arxiv.0806.1651

arXiv: 0806.1651

Instabilities in thermal gravity with a cosmological constant

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Abstract

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.

3 pages. To be published in Physics Letters B

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Keywords

High Energy Physics - Theory, High Energy Physics - Theory (hep-th), FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), General Relativity and Quantum Cosmology

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