- #1
rmjmu507
- 36
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Given the hamiltonian in this form: H=[itex]\hbar[/itex][itex]\omega[/itex]([itex]b^{+}[/itex]b+.5)
b[itex]\Psi_{n}[/itex]=[itex]\sqrt{n}[/itex][itex]\Psi_{n-1}[/itex]
[itex]b^{+}[/itex][itex]\Psi_{n}[/itex]=[itex]\sqrt{n+1}[/itex][itex]\Psi_{n+1}[/itex]
Attempt:
H[itex]\Psi_{n}[/itex]=[itex]\hbar[/itex][itex]\omega[/itex]([itex]b^{+}[/itex]b+.5)[itex]\Psi_{n}[/itex]
I get to
H[itex]\Psi_{n}[/itex]=[itex]\hbar[/itex][itex]\omega[/itex][itex]\sqrt{n}[/itex]([itex]b^{+}[/itex][itex]\Psi_{n-1}[/itex]+.5[itex]\Psi_{n-1}[/itex])
But now I'm stuck. Where can I go from here?
b[itex]\Psi_{n}[/itex]=[itex]\sqrt{n}[/itex][itex]\Psi_{n-1}[/itex]
[itex]b^{+}[/itex][itex]\Psi_{n}[/itex]=[itex]\sqrt{n+1}[/itex][itex]\Psi_{n+1}[/itex]
Attempt:
H[itex]\Psi_{n}[/itex]=[itex]\hbar[/itex][itex]\omega[/itex]([itex]b^{+}[/itex]b+.5)[itex]\Psi_{n}[/itex]
I get to
H[itex]\Psi_{n}[/itex]=[itex]\hbar[/itex][itex]\omega[/itex][itex]\sqrt{n}[/itex]([itex]b^{+}[/itex][itex]\Psi_{n-1}[/itex]+.5[itex]\Psi_{n-1}[/itex])
But now I'm stuck. Where can I go from here?