Abstract
It is shown that in a system of self-interacting scalar fields in anti-de Sitter space, there exist for a certain range of parameters two separate vacua: one is symmetric and the other is not. These two vacua are stable against both small oscillations and semi-classical tunneling.
Original language | English |
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Pages (from-to) | 55-58 |
Number of pages | 4 |
Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
Volume | 197 |
Issue number | 1-2 |
DOIs | |
State | Published - 22 Oct 1987 |
Externally published | Yes |
Bibliographical note
Funding Information:¢~ Supported in part by the US-Israel Binational Science Foundation. ~ I use the conventions: R~a,~ =O,,l'u'~-..., R=g~'R'~,~,, and signature ( +, -, -, - ). - det gu~ = g.