paper

Ricci-flat spacetimes with l-conformal Galilei symmetry

arXiv:1512.06226 · doi:10.1016/j.physletb.2016.01.042

Abstract

Ricci-flat metrics of the ultrahyperbolic signature which enjoy the l-conformal Galilei symmetry are constructed. They involve the AdS_2-metric in a way similar to the near horizon black hole geometries. The associated geodesic equations are shown to describe a second order dynamical system for which the acceleration generators are functionally independent.

V2: refs. added, the version to appear in PLB

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