Time-periodic solutions of massive scalar fields in AdS background: perturbative constructions
arXiv:1411.1633 · doi:10.1016/j.physletb.2015.01.045
Abstract
We consider scalar fields which are coupled to Einstein gravity with a negative cosmological constant, and construct periodic solutions perturbatively. In particular, we study tachyonic scalar fields whose mass is at or above the Breitenlohner-Freedman bound in four, five, and seven spacetime dimensions. The critical amplitude of the leading order perturbation, for which the perturbative expansion breaks down, increases as we consider less massive fields. We present various examples including a model with a self-interacting scalar field which is derived from a consistent truncation of IIB supergravity.
v3: 12 pages, 2 figures, refs added
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