Constraints on Torsion from Lorentz Violation

2007/12/31 by Alan Kostelecky, Neil Russell, Jay Tasson · 1 citation
Physics and Astronomy · #gr-qc #astro-ph #hep-ph

paper · pdf · doi:10.1103/physrevlett.100.111102

published as Phys.Rev.Lett.100:111102,2008 · 4 pages two-column REVTeX, accepted in Physical Review Letters

arxiv created 2008/02/05 · arxiv updated 2009/12/01

Abstract

Exceptional sensitivity to spacetime torsion can be achieved by searching for its couplings to fermions. Recent experimental searches for Lorentz violation are exploited to extract new constraints involving 19 of the 24 independent torsion components down to levels of order 10^-31 GeV.

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• Induced Couplings and Causal Bounds from Nondegenerate Dirac Lagrangians

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