Equation 14 · Part 1 · The Corner of the Equivalence Principle No Experiment Has Touched
Symbol hateta_ent
What this part means
hatetnt is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
hatetnt is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol hateta_ent→Article meaning
The passage around this formula
…any classical trajectory would need, the component that a spatial superposition test — an atom interferometer’s two arms treated as a single quantum object rather than two separate classical paths — is built to see. And is the one component with no single-system analogue at all: it is defined only on a joint state of two systems, and it is nonzero precisely when the expectation value of the joint operator on an entangled state fails to equal the sum of what each system would show alone,…
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