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- W4313442825 abstract "We unravel the boundary manifestation of Ehlers' hidden Mobius symmetry present in four-dimensional Ricci-flat spacetimes that enjoy a time-like isometry and are Petrov-algebraic. This is achieved in a designated gauge, shaped in the spirit of flat holography, where the Carrollian three-dimensional nature of the null conformal boundary is manifest and covariantly implemented. The action of the Mobius group is local on the space of Carrollian boundary data, among which the Carrollian Cotton tensor plays a predominent role. The Carrollian and Weyl geometric tools introduced for shaping an appropriate gauge, as well as the boundary conformal group, which is $text{BMS}_4$, allow to define electric/magnetic, leading/subleading towers of charges directly from the boundary Carrollian dynamics and explore their behaviour under the action of the Mobius duality group." @default.
- W4313442825 created "2023-01-06" @default.
- W4313442825 creator A5016393079 @default.
- W4313442825 creator A5024177134 @default.
- W4313442825 creator A5045703621 @default.
- W4313442825 creator A5062735492 @default.
- W4313442825 date "2023-07-07" @default.
- W4313442825 modified "2023-10-10" @default.
- W4313442825 title "Ehlers, Carroll, charges and dual charges" @default.
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