Tiny Graviton Matrix Theory On Time-Dependent Background

Details Tiny Graviton Matrix Theory On Time-Dependent Background Tiny Graviton Matrix Theory On Time-Dependent Background

2008-08-27

arxiv.org/abs/0808.3664v3

Physics

High Energy Physics

High Energy Physics - Theory

20 pages and 4 figures; published version, with more clarifications

Scientific paper

10.1016/j.nuclphysb.2008.11.028

In this article we construct a tiny graviton matrix model for type IIB string theory on a plane-wave background with null dilaton. For the linear null dilaton case, we analyze its vacuum and the excitation spectrum around the vacuum, and discuss the time-dependent fuzzy three-sphere solutions and their evolution. It turns out that at very late time the non-Abelian fuzzy degrees of freedom disappear, which indicates the appearance of perturbative strings.

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