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New Action Principle for General Relativity
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General Relativity can be reformulated as a diffeomorphism invariant SU(2) gauge theory. A new action principle for this "pure connection" formulation of GR is described.
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Cited by 4 Pith papers
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Pure connection formalism and Plebanski's second heavenly equation
A pure-connection derivation yields Plebanski's second heavenly equation on flat and constant-curvature backgrounds, packaged in a compact covariant form with a new interpretation of the self-dual Yang-Mills kinematic...
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Canonical analysis of unimodular Pleba\'nski gravity
A canonical analysis of unimodular Plebański gravity shows that the Hamiltonian density is constrained only to be constant, promoting the cosmological constant to an integration constant.
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Emergent metric and geodesic analysis in cosmological solutions of (torsion-free) Polynomial Affine Gravity
In torsion-free polynomial affine gravity, the Ricci tensor can serve as an emergent metric, and self-parallel curves can reproduce the spatial geodesics of Friedmann-Robertson-Walker cosmology.
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A polynomial affine model of gravity: after ten years
A ten-year review of polynomial affine gravity, covering the most general diffeomorphism-invariant action, its field equations, cosmological solutions, and emergent metrics.
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