On Torsion-free Vacuum Solutions of the Model of de Sitter Gauge Theory of Gravity (II)

Details On Torsion-free Vacuum Solutions of the Model of de Sitter Gauge Theory of Gravity (II) On Torsion-free Vacuum Solutions of the Model of de Sitter Gauge Theory of Gravity (II)

2009-06-15

arxiv.org/abs/0906.2622v1

Front.Phys.China 4:525-529,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pafes,0 figure

Scientific paper

10.1007/s11467-009-0063-1

It is shown that all torsion-free vacuum solutions of the model of dS gauge theory of gravity are the vacuum solutions of Einstein field equations with the same positive cosmological constant. Furthermore, for the gravitational theories with more general quadratic gravitational Lagrangian ($F^2+T^2$), the torsion-free vacuum solutions are also the vacuum solutions of Einstein field equations.

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