Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1997-10-21
Phys.Lett. B419 (1998) 37-39
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
Latex, 6 pages
Scientific paper
10.1016/S0370-2693(97)01468-8
In this paper, we explicitly prove the presymplectic forms of the Palatini
and Ashtekar gravity to be zero along gauge orbits of the Lorentz and
diffeomorphism groups, which ensures the diffeomorphism invariance of these
theories.
Luo Yan
Shao Ming-Xue
Zhu Zhong-Yuan
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