Live mathematical reference

Mathematical compendium

A live index of the equations in published articles. Each entry leads to its article, equation guide, and the terms explained there. New or edited published articles appear automatically.

1725 equations across 1445 symbols.

∣ddτln⁡ ⁣[⟨H(τ)⟩−E0(τ)]∣≪2[⟨H(τ)⟩−E0(τ)]πℏ\left|\frac{d}{d\tau}\ln\!\left[\langle H(\tau)\rangle - E_0(\tau)\right]\right| \ll \frac{2\left[\langle H(\tau)\rangle-E_0(\tau)\right]}{\pi\hbar}

1 published occurrence

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

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τML(τ)=πℏ/[2(⟨H(τ)⟩−E0(τ))]\tau_{\rm ML}(\tau) = \pi\hbar/[2(\langle H(\tau)\rangle-E_0(\tau))]

1 published occurrence

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

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τ⊥≥πℏ2(⟨H⟩−E0)\tau_\perp \geq \frac{\pi\hbar}{2\left(\langle H\rangle - E_0\right)}

1 published occurrence

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This equation states a bound: one expression must stay on the indicated side of the other under the article’s assumptions.

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