The Cosmological Constant Emerging From Local Poincare Invariance

Details The Cosmological Constant Emerging From Local Poincare Invariance The Cosmological Constant Emerging From Local Poincare Invariance

2005-07-14

arxiv.org/abs/gr-qc/0507058v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages

Scientific paper

The Poincare Gauge Theory of gravitation with a Lagrangian quadratic in the field strengths is applied to a classical cosmological model. It predicts a constant value of the non-riemannian curvature scalar, which acts as a cosmological constant. As the value of the scalar depends on the context, vacuum solutions may differ from the predictions based on Einstein's constant. The corresponding deviations from General Relativity are discussed on the basis of exact solutions for the field of a mass point.

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