New first order Lagrangian for General Relativity

L. J. Mason and M. Wolf, “Twistor Actions for Self-Dual Supergravities,” Commun. Math. Phys. 288

Original

1941

Earlier work this paper cites.

R. Penrose, “Nonlinear Gravitons and Curved Twistor Theory,” Gen. Rel. Grav. 7

1976

Earlier work this paper cites.

J. F. Plebanski, “On the separation of Einsteinian substructures,” J. Math. Phys. 18

1977

Earlier work this paper cites.

R. Penrose, “The Twistor Program,” Rept. Math. Phys. 12

1977

Earlier work this paper cites.

H. Urbantke, ”On Integrability Properties of SU(2) Yang-Mills Fields. I. Infinitesimal Part,” J. Math. Phys. 25

1984

Earlier work this paper cites.

R. Capovilla, T. Jacobson and J. Dell, “General Relativity Without the Metric,” Phys. Rev. Lett. 63

1989

Cited alongside, same era.

E. Witten, “Perturbative gauge theory as a string theory in twistor space,” Commun. Math. Phys. 252

2004

Cited alongside, same era.

F. Cachazo, P. Svrcek and E. Witten, “MHV vertices and tree amplitudes in gauge theory,” JHEP 0409

2004

Cited alongside, same era.

L. J. Mason, “Twistor actions for non-self-dual fields: A Derivation of twistor-string theory,” JHEP 0510

2005

Cited alongside, same era.

M. Wolf, “Self-Dual Supergravity and Twistor Theory,” Class. Quant. Grav. 24

Original

2007

Cited alongside, same era.

K. Krasnov, “Renormalizable Non-Metric Quantum Gravity?,” hep-th/0611182

Cited in the paper.

R. Boels, L. J. Mason and D. Skinner, “From twistor actions to MHV diagrams,” Phys. Lett. B 648

2007

Later among the works it cites.

K. Krasnov, “On deformations of Ashtekar’s constraint algebra,” Phys. Rev. Lett. 100

Original

2008

Later among the works it cites.

K. Krasnov, “Pure Connection Action Principle for General Relativity,” Phys. Rev. Lett. 106

Original

2011

Later among the works it cites.

A. Perez, “The Spin Foam Approach to Quantum Gravity,” Living Rev. Rel. 16

Original

2019

Closest in time.