Browsing by Author "278323f7-1e74-4035-b587-a81d1dbbc055"

Now showing items 1-2 of 2

    • Conserved charges for gravity with locally anti-de sitter asymptotics 
      Aros, Rodrigo; Contreras, Mauricio; Olea, Rodrigo; Troncoso, Ricardo; Zanelli, Jorge (2000)
      A new formula for the conserved charges in 3+1 gravity for spacetimes with local anti-de Sitter asymptotic geometry is proposed. It is shown that requiring the action to have an extremum for this class of asymptotia sets ...
    • Darboux coordinates for (first-order) tetrad gravity 
      Bañados, Máximo; Contreras, Mauricio (1998)
      The Hamiltonian form of the Hilbert action in the first-order tetrad formalism is examined We perform a nonlinear field redefinition of the canonical variables isolating the part of the spin connection which is canonically ...