Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1996-08-23
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
13 pages LaTex (No Figures), Presented at the Stefan-Banach Conference on Mathematical Physics, Warsaw, Poland (1996)
Scientific paper
Recent developments in theories of non-Riemannian gravitational interactions are outlined. The question of the motion of a fluid in the presence of torsion and metric gradient fields is approached in terms of the divergence of the Einstein tensor associated with a general connection. In the absence of matter the variational equations associated with a broad class of actions involving non-Riemannian fields give rise to an Einstein-Proca system associated with the standard Levi-Civita connection.
Tucker Robin W.
Wang Chenjie
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