Equation 50 · Part 4 · The Clock That Comes Back Wrong by Exactly Its Mass
Symbol v
What this part means
v 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
v 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 v→Article meaning
The passage around this formula
…why. [] does not come from a new term added to any Hamiltonian; it comes from how already-unitary translation and boost operators compose. Each operator in the product T()G()T(-)G(-) conserves probability on its own, and the product of unitaries is unitary regardless of whether the factors commute, so the loop as a whole still conserves probability and leaves every expectation value of energy and momentum exactly where an ordinary, non-extended…
Learn the underlying idea
A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
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