Gravitational four-fermion interaction on the Planck scale

Details Gravitational four-fermion interaction on the Planck scale Gravitational four-fermion interaction on the Planck scale

2012-01-20

arxiv.org/abs/1201.4226v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, few comments added

Scientific paper

The four-fermion gravitational interaction is induced by torsion, and gets essential on the Planck scale. On this scale, the axial-axial contribution dominates strongly in the discussed interaction. The energy-momentum tensor, generated by this contribution, is analyzed, as well as stability of the problem with respect to compression. The trace of this energy-momentum tensor can be negative.

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