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Display information for equation id:math.1661.21 on revision:1661

* Page found: Der harmonische Oszillator (eq math.1661.21)

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Hash: 1094b635174ad16c903cb89a210851d0

TeX (original user input):

\begin{align}

& \hbar \omega \left\langle  E \right|{{a}^{+}}a\left| E \right\rangle =\left\langle  E \right|\hat{H}-\frac{\hbar \omega }{2}\left| E \right\rangle =\left\langle  E \right|E-\frac{\hbar \omega }{2}\left| E \right\rangle =E-\frac{\hbar \omega }{2} \\

& \left\langle  E \right|{{a}^{+}}a\left| E \right\rangle =\left\langle  \Psi   |  \Psi  \right\rangle \ge 0 \\

\end{align}

TeX (checked):

{\begin{aligned}&\hbar \omega \left\langle E\right|{{a}^{+}}a\left|E\right\rangle =\left\langle E\right|{\hat {H}}-{\frac {\hbar \omega }{2}}\left|E\right\rangle =\left\langle E\right|E-{\frac {\hbar \omega }{2}}\left|E\right\rangle =E-{\frac {\hbar \omega }{2}}\\&\left\langle E\right|{{a}^{+}}a\left|E\right\rangle =\left\langle \Psi |\Psi \right\rangle \geq 0\\\end{aligned}}

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MathML (2.803 KB / 453 B) :

ωE|a+a|E=E|H^ω2|E=E|Eω2|E=Eω2E|a+a|E=Ψ|Ψ0
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