GPS test of the local position invariance of Planck's constant

Abstract

Publicly available clock correction data from the Global Positioning System was analyzed and used in combination with the results of terrestrial clock comparison experiments to confirm the local position invariance (LPI) of Planck's constant within the context of general relativity. The results indicate that h is invariant within a limit of |beta_h|<0.007, where beta_h is a dimensionless parameter that represents the extent of LPI violation.

arXiv comment4 pages, 2 figures. Accepted for publication in Physical Review Letters. Abstracts available at prola.aps.org

References in corpus (6)

• CPT Violation and the Standard Model
• Gravity, Lorentz Violation, and the Standard Model
• The fundamental constants and their variation: observational status and theoretical motivations
• Further Evidence for Cosmological Evolution of the Fine Structure Constant
• Testing Local Lorentz and Position Invariance and Variation of Fundamental Constants by searching the Derivative of the Comparison Frequency Between a Cryogenic Sapphire Oscillator and Hydrogen Maser
• Possible variations of the fine structure constant $\alpha$ and their metrological significance

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