# Generating functional for gravitational null initial data

@article{Wieland2019GeneratingFF, title={Generating functional for gravitational null initial data}, author={Wolfgang Wieland}, journal={arXiv: General Relativity and Quantum Cosmology}, year={2019} }

A field theory on a three-dimensional manifold is introduced, whose field equations are the constraint equations for general relativity on a three-dimensional null hypersurface. The underlying boundary action consists of two copies of the dressed Chern-Simons term for self-dual Ashtekar variables, a kinetic term for the null flag at the boundary plus additional junction conditions for the spin coefficients across the interface. In fact, there is a doubling of the field content, because the null… CONTINUE READING

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Symmetries, charges and conservation laws at causal diamonds in general relativity

- Physics, Mathematics
- 2019

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