$n+1$ formalism of $f($Lovelock$)$ gravity

Abstract

In this note we perform the $n+1$ decomposition, or Arnowitt Deser Misner (ADM) formulation of $f($Lovelock$)$ gravity theory. The hamiltonian form of Lovelock gravity was known since the work of C. Teitelboim and J. Zanelli in 1987, but this result had not yet been extended to $f($Lovelock$)$ gravity. Besides, field equations of $f($Lovelock$)$ have been recently be computed by P. Bueno et al., though without ADM decomposition. We focus on the non-degenerate case, ie. when the Hessian of $f$ is invertible. Using the same Legendre transform as for $f(\mathrm{R})$ theories, we can identify the partial derivatives of $f$ as scalar fields, and consider the theory as a generalised scalar-tensor theory. We then derive the field equations, and project them along a $n+1$ decomposition. We obtain an original system of constraint equations for $f($Lovelock$)$ gravity, as well as dynamical equations. We give explicit formulas for the $f(\mathrm{R},$ Gauss-Bonnet$)$ case.

23 pages

References in corpus (11)

• The Confrontation between General Relativity and Experiment
• Strong constraints on cosmological gravity from GW170817 and GRB 170817A
• Dark energy in modified Gauss-Bonnet gravity: late-time acceleration and the hierarchy problem
• Beyond Lovelock gravity: Higher derivative metric theories
• Causality and Hyperbolicity of Lovelock Theories
• Constraints on Born-Infeld gravity from the speed of gravitational waves after GW170817 and GRB 170817A
• Constraints on Horndeski Theory Using the Observations of Nordtvedt Effect, Shapiro Time Delay and Binary Pulsars
• $N+1$ formalism in Einstein-Gauss-Bonnet gravity
• Shock Formation in Lovelock Theories
• Local Well-posedness of Lovelock gravity
• Quasilinear reformulation of Lovelock gravity

Cited by in corpus (2)

• Inflation with F(T) Teleparallel Gravity
• The constraint equations of Lovelock gravity theories: a new ${\sigma }_k$-Yamabe problem