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I am trying to solve an-harmonic oscillator (with $x^4$ terms) and need theoretical data to compare with my numerical data. I have searched research papers on anharmonic oscillators and few spectroscopy books like Banwell's.

Can anyone recommend books or papers with theoretical data on an-harmonic oscillators?

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  • $\begingroup$ I do not believe that the anharmonic oscillator van be solved analytically $\endgroup$ – Lewis Miller Jul 25 '17 at 15:44
  • $\begingroup$ The best that you could do is compare to a perturbations theory resilt. $\endgroup$ – Lewis Miller Jul 25 '17 at 15:45
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    $\begingroup$ What's "theoretical data"? $\endgroup$ – Emilio Pisanty Jul 25 '17 at 15:50
  • $\begingroup$ some data using which I can verify that what I have done is correct. $\endgroup$ – saroj poudyal Jul 25 '17 at 16:14
  • $\begingroup$ It is good idea to use several different methods and compare results. You can get decent estimates using variational methods and perturbation theory. $\endgroup$ – Blazej Jul 25 '17 at 19:11

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