39 citations · 39 across the 5 of their papers we have counts for
6 papers
Carrollian Conformal Dynamics and Flat-Space Holography
Simon Pekar
The conformal boundary of asymptotically flat spacetime is null and therefore carries a Carrollian rather than Lorentzian geometry. This changes the relation between symmetry, vari…
Carroll-Cotton Tensors and Gravitational Radiation at Null Infinity
Adrien Fiorucci, Simon Pekar, P. Marios Petropoulos +1
We provide a first-principles definition of Cotton tensors on conformal Carroll geometries by gauging the conformal Carroll algebra. On the mathematical side, this analysis yields…
Flat from AdS: in any even dimension and for any spin
Xavier Bekaert, Andrea Campoleoni, Simon Pekar +1
The space of solutions to the free equations of motion for massless fields of arbitrary integer spin in Minkowski spacetime is recovered as a smooth limit of the anti-de Sitter sol…
Carrollian-holographic Derivation of Gravitational Flux-Balance Laws
Adrien Fiorucci, Simon Pekar, P. Marios Petropoulos +1
We demonstrate that the BMS evolution equations for the mass and angular momentum aspects in asymptotically flat Einstein gravity follow from local Carroll, Weyl, and diffeomorphis…
Holographic Carrollian Conformal Scalars
Xavier Bekaert, Andrea Campoleoni, Simon Pekar
We provide holographic realisations in Minkowski spacetime of a free conformal Carrollian scalar field living at null infinity. To this end, we first show that the electric and mag…
Flat from anti-de Sitter
Andrea Campoleoni, Arnaud Delfante, Simon Pekar +3
Ricci-flat solutions to Einstein's equations in four dimensions are obtained as the flat limit of Einstein spacetimes with negative cosmological constant. In the limiting process,…