Equation 112 · Part 1 · The Atlas That Refuses to Close
Symbol sigma_z
What this part means
sigm 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
sigm 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 sigma_z→Article meaning
The passage around this formula
…not a photon’s position eigenvalue; the amplification is a direct laboratory instance of a weak value being made large by pushing the postselection toward orthogonality, the identical mechanism behind the imaginary value computed above.
Learn the underlying idea
A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.
Open the illustrated subscripts: which member of a family? guide →
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Sources cited in the surrounding passage
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