Coadjoint representation of the BMS group on celestial Riemann surfaces

被引：41
作者：
Barnich, Glenn [1 ,2 ]
Ruzziconi, Romain [3 ]
机构：
[1] Univ Libre Bruxelles, Phys Theor & Math, Campus Plaine CP 231, B-1050 Brussels, Belgium
[2] Int Solvay Inst, Campus Plaine CP 231, B-1050 Brussels, Belgium
[3] TU Wien, Inst Theoret Phys, Wiedner Hauptstr 8, A-1040 Vienna, Austria
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2021年 / 2021卷 / 06期
基金：
奥地利科学基金会;
关键词：
Classical Theories of Gravity; Differential and Algebraic Geometry; Gauge-gravity correspondence; Space-Time Symmetries; METZNER-SACHS GROUP; ASYMPTOTIC SYMMETRY; GENERAL-RELATIVITY; GRAVITATIONAL WAVES; BONDI; POSITIVITY; ENERGY; GEOMETRY; CANNOT; EDTH;
D O I：
10.1007/JHEP06(2021)079
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The coadjoint representation of the BMS group in four dimensions is constructed in a formulation that covers both the sphere and the punctured plane. The structure constants are worked out for different choices of bases. The conserved current algebra of non-radiative asymptotically flat spacetimes is explicitly interpreted in these terms.
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页数：41
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