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Physics, Astronomy & Cosmology / I need help understanding a QM author on ladder operators
« on: 30/05/2018 19:44:28 »
In his text Quantum Mechanics - 2nd Ed. by David Griffiths, the author does something which I fail to understand how he got it. The section his is book on this is here
http://www.newenglandphysics.org/other/Griffiths_ladder.pdf
How did Griffiths get Eq. [2.65] on page 48?
Thanks,
Pete
http://www.newenglandphysics.org/other/Griffiths_ladder.pdf
How did Griffiths get Eq. [2.65] on page 48?
Thanks,
Pete