New examples of static spacetimes admitting a unique standard decomposition
Albujer, Alma L.
Rubio, Rafael M.
SubjectStandard static spacetime
Standard static splitting
GlobalKilling vector field
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In this paper we introduce a new general approach for the study of spacetimes admitting a standard static splitting. This approach allows us to give an alternative proof for the uniqueness of splitting in the spatially closed case to the first study made by Sánchez–Senovilla and later by Aledo–Romero–Rubio. However, our technique also allows us to obtain new uniqueness results for standard static models with complete (non necessarily compact) spacelike bases under some mild hypothesis, including some restrictions on the sectional curvature of such bases.