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1996 Class. Quantum Grav. 13 2735-2752 doi: 10.1088/0264-9381/13/10/012
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Abstract.
This paper generalizes earlier work on Hamiltonian boundary terms by omitting the requirement that the spacelike hypersurfaces 
intersect the timelike boundary 
orthogonally. The expressions for the action and Hamiltonian are calculated and the required subtraction of a background contribution is discussed. The new features of a Hamiltonian formulation with non-orthogonal boundaries are then illustrated in two examples.
PACS numbers: 0420, 0420F
Print publication: Issue 10 (October 1996) |
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