Geometry for the accelerating universe

Details Geometry for the accelerating universe Geometry for the accelerating universe

2006-12-13

arxiv.org/abs/hep-th/0612133v1

Phys.Rev.D76:101501,2007

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 1 figure

Scientific paper

10.1103/PhysRevD.76.101501

The Lorentzian spacetime metric is replaced by an area metric which naturally emerges as a generalized geometry in quantum string and gauge theory. Employing the area metric curvature scalar, the gravitational Einstein-Hilbert action is re-interpreted as dynamics for an area metric. Without the need for dark energy or fine-tuning, area metric cosmology explains the observed small acceleration of the late Universe.

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