Phys. Rev. Lett. 84, 1381 - 1384 (2000)

Lorentz and CPT Tests with Spin-Polarized Solids

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Robert Bluhm1 and V. Alan Kostelecký2
1Physics Department, Colby College, Waterville, Maine 04901
2Physics Department, Indiana University, Bloomington, Indiana 47405

Received 13 October 1999

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.


©2000 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v84/p1381
DOI: 10.1103/PhysRevLett.84.1381
PACS: 11.30.Cp, 11.30.Er, 12.20.Fv, 85.25.Dq

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