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Author (up) Bunster, C.; Gomberoff, A.; Perez, A. doi  openurl
  Title Bondi-Metzner-Sachs invariance and electric-magnetic duality Type
  Year 2020 Publication Physical Review D Abbreviated Journal Phys. Rev. D  
  Volume 101 Issue 4 Pages 15 pp  
  Abstract We exhibit a Hamiltonian formulation, both for electromagnetism and gravitation, in which it is not required that the Bondi “news” vanish but only that the incoming news be equal to the outgoing ones. This requirement is implemented by defining the fields on a two-sheeted hyperbolic surface, which we term “the hourglass.” It is a spacelike deformation of the complete light cone. On it, one approaches asymptotically (null) past and future infinity while remaining at a fixed (hyperbolic) time, by going to large spatial distances on its two sheets. The Hamiltonian formulation and-in particular-a conserved angular momentum, can only be constructed if one brings in both the electric and magnetic Bondi-Metzner-Sachs (BMS) charges together with their canonically conjugate “memories.” This reveals a close interplay between the BMS and electric-magnetic duality symmetries.  
  Address [Bunster, Claudio; Gomberoff, Andres; Perez, Alfredo] Ctr Estudios Cien CECs, Casilla 1469, Valdivia, Chile  
  Corporate Author Thesis  
  Publisher Amer Physical Soc Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2470-0010 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000511199300005 Approved  
  Call Number UAI @ eduardo.moreno @ Serial 1098  
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