positive energy theorems;
holography;
group theory;
lower dimensional models;
ASYMPTOTIC SYMMETRIES;
EINSTEIN GRAVITY;
GRAVITATIONAL WAVES;
GENERAL RELATIVITY;
COADJOINT ORBITS;
DYNAMICS;
PROOF;
SUPERGRAVITY;
GEOMETRY;
ADS(3);
D O I:
10.1088/0264-9381/31/15/152001
中图分类号:
P1 [天文学];
学科分类号:
0704 ;
摘要:
The covariant phase space of three-dimensional asymptotically flat and anti-de Sitter gravity is controlled by well-understood coadjoint orbits of the Virasoro group. Detailed knowledge on the behavior of the energy functional on these orbits can be used to discuss positive energy theorems.