paper

Lorentz and CPT tests with spin-polarized solids

arXiv:hep-ph/9912542 · doi:10.1103/PhysRevLett.84.1381

Abstract

Experiments using macroscopic samples of spin-polarized matter offer exceptional sensitivity to Lorentz and CPT violation in the electron sector. Data from existing experiments with a spin-polarized torsion pendulum provide sensitivity in this sector rivaling that of all other existing experiments and could reveal spontaneous violation of Lorentz symmetry at the Planck scale.

4 pages, accepted for publication in Physical Review Letters

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