Symbol M_0
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The shared / term, common to both arms, is an overall phase and drops out of any interference signal — consistent with the rule that only relative phase between branches is ever observable. What survives is a clock-visible term set entirely by the internal-energy difference, first proposed as an observable interferometric signature of general-relativistic proper time by Zych, Costa, Pikovski, and Brukner [ 10 ] , and later reframed explicitly as a quantum analogue of the twin paradox by Loriani and collaborators [ 11 ] .
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Symbol Δτ
Δτ is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
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Equation 105 · Evolutionary Physics
The Clock That Comes Back Wrong by Exactly Its Mass
This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.
The shared / term, common to both arms, is an overall phase and drops out of any interference signal — consistent with the rule that only relative phase between branches is ever observable. What survives is a clock-visible term set entirely by the internal-energy difference, first proposed as an observable interferometric signature of general-relativistic proper time by Zych, Costa, Pikovski, and Brukner [ 10 ] , and later reframed explicitly as a quantum analogue of the twin paradox by Loriani and collaborators [ 11 ] .
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