Negative mode problem in false vacuum decay with gravity

Details Negative mode problem in false vacuum decay with gravity Negative mode problem in false vacuum decay with gravity

2000-04-08

arxiv.org/abs/gr-qc/0004025v1

Nucl.Phys.Proc.Suppl. 88 (2000) 75-82

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, 1 eps figure, Talk given at Constrained Dynamics and Quantum Gravity 99, Villasimius, (Sardinia, Italy), September 14

Scientific paper

10.1016/S0920-5632(00)00756-8

There is a single negative mode in the spectrum of small perturbations about the tunneling solutions describing a metastable vacuum decay in flat spacetime. This mode is needed for consistent description of decay processes. When gravity is included the situation is more complicated. An approach based on elimination of scalar field perturbations shows no negative mode, whereas the recent approach based on elimination of gravitational perturbations indicates presence of a negative mode. In this contribution we analyse and compare the present approaches to the negative mode problem in false vacuum decay with gravity.

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