Symbol psi
psi 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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so the operator that actually generates |'(t) ’s evolution is := U + i , not the bare conjugate U alone. The extra piece, i , is Hermitian — differentiating U = I gives = -U , so (i )^ = -i U = i — and it carries units of energy, times a rate. Call its expectation value the frame’s inertial term, := i U(t)^ .
psi 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 114 · Evolutionary Physics
This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.
so the operator that actually generates |'(t) ’s evolution is := U + i , not the bare conjugate U alone. The extra piece, i , is Hermitian — differentiating U = I gives = -U , so (i )^ = -i U = i — and it carries units of energy, times a rate. Call its expectation value the frame’s inertial term, := i U(t)^ .
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