Symbol in context
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Editorial equation guide
The separation between mass A on branch i and mass B on branch j. A smaller separation gives a larger gravitational interaction energy and therefore a larger accumulated phase.
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Article-grounded definition
the separation.
Read equation 4 in How Much of Gravitationally Induced Entanglement Is in the Eye of the Frame →
The gravitational interaction gives each pair of spatial branches a phase angle. Mass, interaction time, and inverse separation set its size.
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