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Type: Journal article
Title: Testing Lorentz invariance using an odd-parity asymmetric optical resonator
Author: Baynes, F.
Luiten, A.
Tobar, M.
Citation: Physical Review D - Particles, Fields, Gravitation and Cosmology, 2011; 84(8):081101-1-081101-5
Publisher: American Physical Society
Issue Date: 2011
ISSN: 1550-7998
Statement of
Fred N. Baynes, Andre N. Luiten, and Michael E. Tobar
Abstract: We present the first experimental test of Lorentz invariance using the frequency difference between counter-propagating modes in an asymmetric odd-parity optical resonator. This type of test is ∼104 more sensitive to odd-parity and isotropic (scalar) violations of Lorentz invariance than equivalent conventional even-parity experiments due to the asymmetry of the optical resonator. The disadvantages of odd-parity resonators have been negated by the use of counter-propagating modes, delivering a high level of immunity to environmental fluctuations. With a nonrotating experiment our result limits the isotropic Lorentz violating parameter κ˜tr to 3.4±6.2×10−9, the best reported constraint from direct measurements. Using this technique the bounds on odd-parity and scalar violations of Lorentz invariance can be improved by many orders of magnitude.
Rights: © 2011 American Physical Society
RMID: 0030008465
DOI: 10.1103/PhysRevD.84.081101
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Appears in Collections:IPAS publications

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