The Poincaré and BMS flux-balance laws with application to binary systems

0540700 - FZÚ 2021 RIV US eng J - Journal Article
Compere, G. - Oliveri, Roberto - Seraj, A.
The Poincaré and BMS flux-balance laws with application to binary systems.
Journal of High Energy Physics. Roč. 2020, č. 10 (2020), s. 1-50, č. článku 116. ISSN 1029-8479. E-ISSN 1029-8479
R&D Projects: GA MŠMT EF15_003/0000437
Grant - others:OP VVV - CoGraDS(XE) CZ.02.1.01/0.0/0.0/15_003/0000437
Institutional support: RVO:68378271
Keywords : classical theories of gravity * space-time symmetries
OECD category: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Impact factor: 5.810, year: 2020
Method of publishing: Open access

Asymptotically flat spacetimes admit both supertranslations and Lorentz transformations as asymptotic symmetries. Furthermore, they admit super-Lorentz transformations, namely superrotations and superboosts, as outer symmetries associated with super-angular momentum and super-center-of-mass charges. In this paper, we present comprehensively the flux-balance laws for all such BMS charges. We distinguish the Poincaré flux-balance laws from the proper BMS flux-balance laws associated with the three relevant memory effects defined from the shear, namely, the displacement, spin and center-of-mass memory effects. We scrutinize the prescriptions used to define the angular momentum and center-of-mass. In addition, we provide the exact form of all Poincaré and proper BMS flux-balance laws in terms of radiative symmetric tracefree multipoles.
Permanent Link: http://hdl.handle.net/11104/0318320