BMS Group at Spatial Infinity: the Hamiltonian (ADM) approach

Henneaux, Marc; Troessaert, Cédric

doi:10.1007/JHEP03(2018)147

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BMS Group at Spatial Infinity: the Hamiltonian (ADM) approach

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Troessaert, Cédric
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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1801.03718.pdf
(プレプリント), 498KB

JHEP03(2018)147.pdf
(出版社版), 379KB

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引用

Henneaux, M., & Troessaert, C. (2018). BMS Group at Spatial Infinity: the Hamiltonian (ADM) approach. Journal of high energy physics: JHEP, 2018(03):. doi:10.1007/JHEP03(2018)147.

引用: https://hdl.handle.net/21.11116/0000-0000-3D11-9

要旨

New boundary conditions for asymptotically flat spacetimes are given at spatial infinity. These boundary conditions are invariant under the BMS group, which acts non trivially. The boundary conditions fulfill all standard consistency requirements: (i) they make the symplectic form finite; (ii) they contain the Schwarzchild solution, the Kerr solution and their Poincar\'e transforms, (iii) they make the Hamiltonian generators of the asymptotic symmetries integrable and well-defined (finite). The boundary conditions differ from the ones given earlier in the literature in the choice of the parity conditions. It is this different choice of parity conditions that makes the action of the BMS group non trivial. Our approach is purely Hamiltonian and off-shell throughout.