Lorentz Chern-Simons terms in Bianchi cosmologies and the cosmic no-hair conjecture

Details Lorentz Chern-Simons terms in Bianchi cosmologies and the cosmic no-hair conjecture Lorentz Chern-Simons terms in Bianchi cosmologies and the cosmic no-hair conjecture

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvd..44.2380k&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 44, Issue 8, 15 October 1991, pp.2380-2387

Mathematics

Logic

31

Scientific paper

The theory describing gravity and the Kalb-Ramond axion field with topological Lorentz Chern-Simons coupling is considered. The topological coupling induces an additional term in the energy-momentum tensor, which in general can lead to violations of the cosmic no-hair conjecture. These violations are shown explicitly by analyzing the solutions in a diagonal Bianchi type-II geometry.

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