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# 2: Time-Independent Non-Degenerate Perturbation Theory


There’s nothing new in this section, its simply an alternative derivation to the one you saw last year in Junior Honours. If you prefered that derivation, feel free to read over those notes, the results are the same!

This page titled 2: Time-Independent Non-Degenerate Perturbation Theory is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Graeme Ackland via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.

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