Equation 69 · The Clock That Comes Back Wrong by Exactly Its Mass
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Symbol b
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Before pointing this construction at an interferometer, one methodological trap needs naming. A single measured phase at one fixed loop area cannot, by itself, distinguish m from an unknown additive offset baked into the apparatus — any constant phase shift from an uncalibrated pulse timing, an unaccounted path-length difference, or a stray field looks identical to a rescaling of . The estimator that survives this is a derivative, not a snapshot:
Sources cited in the article section
- [16] Atomic Interferometry Using Stimulated Raman Transitions ↗
- [14] The Feynman Path Integral Approach to Atomic Interferometry: A Tutorial ↗
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