Symbol in context

$\sigma^{(n)}$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Used in 2 equations

\boldsymbol\sigma^{(n)}

A Reference Frame Becomes Classical by Publishing Its Orientation · Equation 78

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.

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H_{\mathrm{int}}^{(n)} =\hbar\Omega\, \frac{\mathbf J\cdot\boldsymbol\sigma^{(n)}}{2j}, \qquad U_n=\exp\!\left(-i\kappa \frac{\mathbf J\cdot\boldsymbol\sigma^{(n)}}{2j}\right),

A Reference Frame Becomes Classical by Publishing Its Orientation · Equation 80

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

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