On the origin of the difference between time and space

Details On the origin of the difference between time and space On the origin of the difference between time and space

2004-05-25

arxiv.org/abs/hep-th/0405223v1

Physics

High Energy Physics

High Energy Physics - Theory

4 pages

Scientific paper

We suggest that the difference between time and space is due to spontaneous symmetry breaking. In a theory with spinors the signature of the metric is related to the signature of the Lorentz-group. We discuss a higher symmetry that contains pseudo-orthogonal groups with arbitrary signature as subgroups. The fundamental asymmetry between time and space arises then as a property of the ground state rather than being put into the formulation of the theory a priori. We show how the complex structure of quantum field theory as well as gravitational field equations arise from spinor gravity - a fundamental spinor theory without a metric.

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