Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-09-15
CHIN. PHYS. LETT. Vol. 29, (2012) 040303
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
7 pages. In the new version, the title and text are both revised
Scientific paper
10.1088/0256-307X/29/4/040303
The new 4D geometry whose Killing vectors span the Poincar\'e algebra is presented and its structure is analyzed. The new geometry can be regarded as the Poincar\'e-invariant solution of the degenerate extension of the vacuum Einstein field equations with a negative cosmological constant and provides a static cosmological space-time with a Lobachevsky space. The motion of free particles in the space-time is discussed.
Huang Chao-Guang
Tian Yu
Wu Xiao-Ning
Xu Zhan
Zhou Baoguo
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