par Barnich, Glenn ;Ruzziconi, Romain
Référence Journal of High Energy Physics, 2021, 6
Publication Publié, 2021-06
Article révisé par les pairs
Résumé : A bstract The coadjoint representation of the BMS group in four dimensions is constructed in a formulation that covers both the sphere and the punctured plane. The structure constants are worked out for different choices of bases. The conserved current algebra of non-radiative asymptotically flat spacetimes is explicitly interpreted in these terms.