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Equation 147 · Part 1 · The Bit Comes Back Before the Bearing

Symbol hat J

J^\hat J
J^\hat J

What this part means

hat J 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

hat J is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

That experiment has nothing to say about tGt_G . Its seven qubits carry no conserved charge playing the role J^\hat J plays above, no compass was thrown in, and no alignment problem of the kind Bartlett, Rudolph, and Spekkens formalize was ever posed to the circuit [ 9 ] . The honest parameter range this construction can claim, then, is narrow and asymmetric on purpose: the mechanism behind tLt_L has a…

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Sources cited in the surrounding passage

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