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The quantum harmonic oscillator is the quantum-mechanical analog of the classical harmonic oscillator. Because an arbitrary potential can usually be approximated as a harmonic potential at the vicinity of a stable equilibrium point, it is one of the most important model systems in quantum mechanics. Consider an electron trapped by a one-dimensional harmonic potential V (x)=mox² (where m is the electron mass, o is a constant angular frequency). In this case, the Schrödinger equation takes the following form, h? d'w (x) , 1 mox'y (x)= Ey (x). +- 2m dx 2 The electron is initially trapped at the ground level. After absorbing a photon, it transits to an excited level. The wave functions of the ground and excited levels take the following forms, respectively, mox W;(x) = exp| 2h 2max? тоx w.(x) = exp 2h Determine the energy of the electron at the ground and excited levels, respectively, and therefore express the wavelength of the incident photon in terms of @.

The quantum harmonic oscillator is the quantum-mechanical analog of the classical harmonic oscillator. Because an arbitrary potential can usually be approximated as a harmonic potential at the vicinity of a stable equilibrium point, it is one of the most important model systems in quantum mechanics. Consider an electron trapped by a one-dimensional harmonic potential V (x)=mox² (where m is the electron mass, o is a constant angular frequency). In this case, the Schrödinger equation takes the following form, h? d'w (x) , 1 mox'y (x)= Ey (x). +- 2m dx 2 The electron is initially trapped at the ground level. After absorbing a photon, it transits to an excited level. The wave functions of the ground and excited levels take the following forms, respectively, mox W;(x) = exp| 2h 2max? тоx w.(x) = exp 2h Determine the energy of the electron at the ground and excited levels, respectively, and therefore express the wavelength of the incident photon in terms of @.

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The quantum harmonic oscillator is the quantum-mechanical analog of the classical harmonic oscillator. Because an arbitrary potential can usually be approximated as a harmonic potential at the vicinity of a stable equilibrium point, it is one of the most important model systems in quantum mechanics. Consider an electron trapped by a one-dimensional harmonic potential V(x)=0.5 mw2x2  (where m is the electron mass, w is a constant angular frequency). In this case, the Schrödinger equation takes the following form,

The electron is initially trapped at the ground level. After absorbing a photon, it transits to an excited level. The wave functions of the ground and excited levels take the following forms,respectively,

Determine the energy of the electron at the ground and excited levels, respectively, and therefore express the wavelength of the incident photon in terms of w.

The quantum harmonic oscillator is the quantum-mechanical analog of the classical harmonic oscillator. Because an arbitrary potential can usually be approximated as a harmonic potential at the vicinity of a stable equilibrium point, it is one of the most important model systems in quantum mechanics. Consider an electron trapped by a one-dimensional harmonic potential V (x)=mox² (where m is the electron mass, o is a constant angular frequency). In this case, the Schrödinger equation takes the following form, h? d'w (x) , 1 mox'y (x)= Ey (x). +- 2m dx 2 The electron is initially trapped at the ground level. After absorbing a photon, it transits to an excited level. The wave functions of the ground and excited levels take the following forms, respectively, mox W;(x) = exp| 2h 2max? тоx w.(x) = exp 2h Determine the energy of the electron at the ground and excited levels, respectively, and therefore express the wavelength of the incident photon in terms of @.
Transcribed Image Text:The quantum harmonic oscillator is the quantum-mechanical analog of the classical harmonic oscillator. Because an arbitrary potential can usually be approximated as a harmonic potential at the vicinity of a stable equilibrium point, it is one of the most important model systems in quantum mechanics. Consider an electron trapped by a one-dimensional harmonic potential V (x)=mox² (where m is the electron mass, o is a constant angular frequency). In this case, the Schrödinger equation takes the following form, h? d'w (x) , 1 mox'y (x)= Ey (x). +- 2m dx 2 The electron is initially trapped at the ground level. After absorbing a photon, it transits to an excited level. The wave functions of the ground and excited levels take the following forms, respectively, mox W;(x) = exp| 2h 2max? тоx w.(x) = exp 2h Determine the energy of the electron at the ground and excited levels, respectively, and therefore express the wavelength of the incident photon in terms of @.
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