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Display information for equation id:math.1732.119 on revision:1732

* Page found: Zeitabhängige Störungsrechnung (eq math.1732.119)

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TeX (original user input):

\begin{align}
& {{c}_{n}}(t)=\left\langle  n  |  \Psi  \right\rangle =\left\langle  n \right|U(t,0)\left| {{n}_{0}} \right\rangle =\left\langle  n \right|{{e}^{-\frac{i}{\hbar }{{{\hat{H}}}^{0}}t}}\left( 1-\frac{i}{\hbar }\int_{0}^{t}{d\tau }{{e}^{\frac{i}{\hbar }{{{\hat{H}}}^{0}}\tau }}{{{\hat{H}}}_{S}}^{1}{{e}^{-\frac{i}{\hbar }{{{\hat{H}}}^{0}}\tau }} \right)\left| {{n}_{0}} \right\rangle  \\
& \Rightarrow {{c}_{n}}(t)={{e}^{-\frac{i}{\hbar }{{E}_{n}}t}}\left( {{\delta }_{n{{n}_{0}}}}-\frac{i}{\hbar }\int_{0}^{t}{d\tau }{{e}^{\frac{i}{\hbar }{{E}_{n}}\tau }}\left\langle  n \right|{{{\hat{H}}}_{S}}^{1}\left| {{n}_{0}} \right\rangle {{e}^{-\frac{i}{\hbar }{{E}_{n0}}\tau }} \right) \\
& {{\delta }_{n{{n}_{0}}}}={{g}_{n}}^{(0)} \\
& -\frac{i}{\hbar }\int_{0}^{t}{d\tau }{{e}^{\frac{i}{\hbar }{{E}_{n}}\tau }}\left\langle  n \right|{{{\hat{H}}}_{S}}^{1}\left| {{n}_{0}} \right\rangle {{e}^{-\frac{i}{\hbar }{{E}_{n0}}\tau }}=\varepsilon {{g}_{n}}^{(1)} \\
& {{c}_{n}}(t)={{e}^{-\frac{i}{\hbar }{{E}_{n}}t}}\left( {{\delta }_{n{{n}_{0}}}}-\frac{i}{\hbar }\int_{0}^{t}{d\tau }{{e}^{\frac{i}{\hbar }{{E}_{n}}\tau }}\left\langle  n \right|{{{\hat{H}}}_{S}}^{1}\left| {{n}_{0}} \right\rangle {{e}^{-\frac{i}{\hbar }{{E}_{n0}}\tau }} \right)={{e}^{-\frac{i}{\hbar }{{E}_{n}}t}}{{g}_{n}}(t) \\
\end{align}

TeX (checked):

{\begin{aligned}&{{c}_{n}}(t)=\left\langle n|\Psi \right\rangle =\left\langle n\right|U(t,0)\left|{{n}_{0}}\right\rangle =\left\langle n\right|{{e}^{-{\frac {i}{\hbar }}{{\hat {H}}^{0}}t}}\left(1-{\frac {i}{\hbar }}\int _{0}^{t}{d\tau }{{e}^{{\frac {i}{\hbar }}{{\hat {H}}^{0}}\tau }}{{\hat {H}}_{S}}^{1}{{e}^{-{\frac {i}{\hbar }}{{\hat {H}}^{0}}\tau }}\right)\left|{{n}_{0}}\right\rangle \\&\Rightarrow {{c}_{n}}(t)={{e}^{-{\frac {i}{\hbar }}{{E}_{n}}t}}\left({{\delta }_{n{{n}_{0}}}}-{\frac {i}{\hbar }}\int _{0}^{t}{d\tau }{{e}^{{\frac {i}{\hbar }}{{E}_{n}}\tau }}\left\langle n\right|{{\hat {H}}_{S}}^{1}\left|{{n}_{0}}\right\rangle {{e}^{-{\frac {i}{\hbar }}{{E}_{n0}}\tau }}\right)\\&{{\delta }_{n{{n}_{0}}}}={{g}_{n}}^{(0)}\\&-{\frac {i}{\hbar }}\int _{0}^{t}{d\tau }{{e}^{{\frac {i}{\hbar }}{{E}_{n}}\tau }}\left\langle n\right|{{\hat {H}}_{S}}^{1}\left|{{n}_{0}}\right\rangle {{e}^{-{\frac {i}{\hbar }}{{E}_{n0}}\tau }}=\varepsilon {{g}_{n}}^{(1)}\\&{{c}_{n}}(t)={{e}^{-{\frac {i}{\hbar }}{{E}_{n}}t}}\left({{\delta }_{n{{n}_{0}}}}-{\frac {i}{\hbar }}\int _{0}^{t}{d\tau }{{e}^{{\frac {i}{\hbar }}{{E}_{n}}\tau }}\left\langle n\right|{{\hat {H}}_{S}}^{1}\left|{{n}_{0}}\right\rangle {{e}^{-{\frac {i}{\hbar }}{{E}_{n0}}\tau }}\right)={{e}^{-{\frac {i}{\hbar }}{{E}_{n}}t}}{{g}_{n}}(t)\\\end{aligned}}

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cn(t)=n|Ψ=n|U(t,0)|n0=n|eiĤ0t(1i0tdτeiĤ0τĤS1eiĤ0τ)|n0cn(t)=eiEnt(δnn0i0tdτeiEnτn|ĤS1|n0eiEn0τ)δnn0=gn(0)i0tdτeiEnτn|ĤS1|n0eiEn0τ=εgn(1)cn(t)=eiEnt(δnn0i0tdτeiEnτn|ĤS1|n0eiEn0τ)=eiEntgn(t)
<math xmlns="http://www.w3.org/1998/Math/MathML" class="mwe-math-element mwe-math-element-inline"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mtable displaystyle="true"><mtr><mtd class="mwe-math-columnalign-r"></mtd><mtd class="mwe-math-columnalign-l"><msub><mi>c</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mo stretchy="false">(</mo><mi>t</mi><mo stretchy="false">)</mo><mo stretchy="false">=</mo><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN"></mo><mi>n</mi><mo stretchy="false">|</mo><mi>Ψ</mi><mo data-mjx-texclass="CLOSE"></mo></mrow><mo stretchy="false">=</mo><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN"></mo><mi>n</mi><mo data-mjx-texclass="CLOSE">|</mo></mrow><mi>U</mi><mo stretchy="false">(</mo><mi>t</mi><mo>,</mo><mn>0</mn><mo stretchy="false">)</mo><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">|</mo><msub><mi>n</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msub><mo data-mjx-texclass="CLOSE"></mo></mrow><mo stretchy="false">=</mo><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN"></mo><mi>n</mi><mo data-mjx-texclass="CLOSE">|</mo></mrow><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msup><mover><mi>H</mi><mo stretchy="false">̂</mo></mover><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msup><mi>t</mi></mrow></mrow></msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">(</mo><mn>1</mn><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msubsup><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow><mrow data-mjx-texclass="ORD"><mi>t</mi></mrow></msubsup><mrow data-mjx-texclass="ORD"><mi>d</mi><mi>τ</mi></mrow><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msup><mover><mi>H</mi><mo stretchy="false">̂</mo></mover><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msup><mi>τ</mi></mrow></mrow></msup><msup><msub><mover><mi>H</mi><mo stretchy="false">̂</mo></mover><mrow data-mjx-texclass="ORD"><mi>S</mi></mrow></msub><mrow data-mjx-texclass="ORD"><mn>1</mn></mrow></msup><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msup><mover><mi>H</mi><mo stretchy="false">̂</mo></mover><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msup><mi>τ</mi></mrow></mrow></msup><mo data-mjx-texclass="CLOSE">)</mo></mrow><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">|</mo><msub><mi>n</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msub><mo data-mjx-texclass="CLOSE"></mo></mrow></mtd></mtr><mtr><mtd class="mwe-math-columnalign-r"></mtd><mtd class="mwe-math-columnalign-l"><mo stretchy="false"></mo><msub><mi>c</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mo stretchy="false">(</mo><mi>t</mi><mo stretchy="false">)</mo><mo stretchy="false">=</mo><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msub><mi>E</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mi>t</mi></mrow></mrow></msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">(</mo><msub><mi>δ</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>n</mi><msub><mi>n</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msub></mrow></mrow></msub><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msubsup><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow><mrow data-mjx-texclass="ORD"><mi>t</mi></mrow></msubsup><mrow data-mjx-texclass="ORD"><mi>d</mi><mi>τ</mi></mrow><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msub><mi>E</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mi>τ</mi></mrow></mrow></msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN"></mo><mi>n</mi><mo data-mjx-texclass="CLOSE">|</mo></mrow><msup><msub><mover><mi>H</mi><mo stretchy="false">̂</mo></mover><mrow data-mjx-texclass="ORD"><mi>S</mi></mrow></msub><mrow data-mjx-texclass="ORD"><mn>1</mn></mrow></msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">|</mo><msub><mi>n</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msub><mo data-mjx-texclass="CLOSE"></mo></mrow><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msub><mi>E</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>n</mi><mn>0</mn></mrow></mrow></msub><mi>τ</mi></mrow></mrow></msup><mo data-mjx-texclass="CLOSE">)</mo></mrow></mtd></mtr><mtr><mtd class="mwe-math-columnalign-r"></mtd><mtd class="mwe-math-columnalign-l"><msub><mi>δ</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>n</mi><msub><mi>n</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msub></mrow></mrow></msub><mo stretchy="false">=</mo><msup><msub><mi>g</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false">(</mo><mn>0</mn><mo stretchy="false">)</mo></mrow></mrow></msup></mtd></mtr><mtr><mtd class="mwe-math-columnalign-r"></mtd><mtd class="mwe-math-columnalign-l"><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msubsup><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow><mrow data-mjx-texclass="ORD"><mi>t</mi></mrow></msubsup><mrow data-mjx-texclass="ORD"><mi>d</mi><mi>τ</mi></mrow><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msub><mi>E</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mi>τ</mi></mrow></mrow></msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN"></mo><mi>n</mi><mo data-mjx-texclass="CLOSE">|</mo></mrow><msup><msub><mover><mi>H</mi><mo stretchy="false">̂</mo></mover><mrow data-mjx-texclass="ORD"><mi>S</mi></mrow></msub><mrow data-mjx-texclass="ORD"><mn>1</mn></mrow></msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">|</mo><msub><mi>n</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msub><mo data-mjx-texclass="CLOSE"></mo></mrow><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msub><mi>E</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>n</mi><mn>0</mn></mrow></mrow></msub><mi>τ</mi></mrow></mrow></msup><mo stretchy="false">=</mo><mi>ε</mi><msup><msub><mi>g</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false">(</mo><mn>1</mn><mo stretchy="false">)</mo></mrow></mrow></msup></mtd></mtr><mtr><mtd class="mwe-math-columnalign-r"></mtd><mtd class="mwe-math-columnalign-l"><msub><mi>c</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mo stretchy="false">(</mo><mi>t</mi><mo stretchy="false">)</mo><mo stretchy="false">=</mo><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msub><mi>E</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mi>t</mi></mrow></mrow></msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">(</mo><msub><mi>δ</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>n</mi><msub><mi>n</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msub></mrow></mrow></msub><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msubsup><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow><mrow data-mjx-texclass="ORD"><mi>t</mi></mrow></msubsup><mrow data-mjx-texclass="ORD"><mi>d</mi><mi>τ</mi></mrow><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msub><mi>E</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mi>τ</mi></mrow></mrow></msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN"></mo><mi>n</mi><mo data-mjx-texclass="CLOSE">|</mo></mrow><msup><msub><mover><mi>H</mi><mo stretchy="false">̂</mo></mover><mrow data-mjx-texclass="ORD"><mi>S</mi></mrow></msub><mrow data-mjx-texclass="ORD"><mn>1</mn></mrow></msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">|</mo><msub><mi>n</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msub><mo data-mjx-texclass="CLOSE"></mo></mrow><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msub><mi>E</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>n</mi><mn>0</mn></mrow></mrow></msub><mi>τ</mi></mrow></mrow></msup><mo data-mjx-texclass="CLOSE">)</mo></mrow><mo stretchy="false">=</mo><msup><mi>e</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false"></mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mi>i</mi></mrow><mrow data-mjx-texclass="ORD"><mi alternate="1"></mi></mrow></mfrac></mrow><msub><mi>E</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mi>t</mi></mrow></mrow></msup><msub><mi>g</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mo stretchy="false">(</mo><mi>t</mi><mo stretchy="false">)</mo></mtd></mtr><mtr><mtd class="mwe-math-columnalign-r"></mtd></mtr></mtable></mstyle></mrow></math>

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Identifiers

  • cn
  • t
  • n
  • Ψ
  • n
  • U
  • t
  • n0
  • n
  • e
  • i
  • Ĥ
  • t
  • i
  • t
  • τ
  • e
  • i
  • Ĥ
  • τ
  • ĤS
  • e
  • i
  • Ĥ
  • τ
  • n0
  • cn
  • t
  • e
  • i
  • En
  • t
  • δnn0
  • i
  • t
  • τ
  • e
  • i
  • En
  • τ
  • n
  • ĤS
  • n0
  • e
  • i
  • En0
  • τ
  • δnn0
  • gn
  • i
  • t
  • τ
  • e
  • i
  • En
  • τ
  • n
  • ĤS
  • n0
  • e
  • i
  • En0
  • τ
  • ε
  • gn
  • cn
  • t
  • e
  • i
  • En
  • t
  • δnn0
  • i
  • t
  • τ
  • e
  • i
  • En
  • τ
  • n
  • ĤS
  • n0
  • e
  • i
  • En0
  • τ
  • e
  • i
  • En
  • t
  • gn
  • t

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