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Gravity Degrees of Freedom on a Null Surface | | Florian Hopfmüller
; Laurent Freidel
; | | Date: |
9 Nov 2016 | | Abstract: | A canonical analysis for general relativity is performed on a null surface
without fixing the diffeomorphism gauge, and the canonical pairs of
configuration and momentum variables are derived. Next to the well-known spin-2
pair, also spin-1 and spin-0 pairs are identified. The boundary action for a
null boundary segment of spacetime is obtained, including terms on codimension
two corners. | | Source: | arXiv, 1611.3096 | | Services: | Forum | Review | PDF | Favorites | |
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