Equation 25 · Part 1 · A Reference Frame Becomes Classical by Publishing Its Orientation

Symbol U

\mathcal U

U

What this part means

U 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

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

Full expressionSymbol UArticle meaning

The passage around this formula

Let the rotor interact with an environment E= $E_1$ $\otimes$ $\cdots$ $\otimes$ $E_N$ through a channel $\mathcal U$ . For a candidate fragment F , the conditional fragment state is

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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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Sources cited in the article section

[1] Quantum Mechanics and the Covariance of Physical Laws in Quantum Reference Frames ↗

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