Pranay Barkataki

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Questions related from Pranay Barkataki

How to calculate second order time independent degenerate perturbation theory ?

In most articles I have seen that derivation is only done to the first order correction in the energy eigenvalues for the case of time independent degenerate perturbation.

27 July 2018 9,763 3 View

How do we use level shift operator in second order perturbation theory?

I have even read Cohen Tannoudji book Atom photon interaction but couldn't understand that

08 May 2017 9,576 3 View